![](/images/general/no_picture/200_user.png)
Michael A Chambers
Examiner (ID: 7220, Phone: (571)270-3894 , Office: P/2448 )
Most Active Art Unit | 2448 |
Art Unit(s) | 2448 |
Total Applications | 265 |
Issued Applications | 178 |
Pending Applications | 2 |
Abandoned Applications | 85 |
Applications
Application number | Title of the application | Filing Date | Status |
---|---|---|---|
Array
(
[id] => 2716942
[patent_doc_number] => 05031709
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-07-16
[patent_title] => 'Drilling apparatus for producing drilled holes having an undercut'
[patent_app_type] => 1
[patent_app_number] => 7/400468
[patent_app_country] => US
[patent_app_date] => 1989-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1769
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/031/05031709.pdf
[firstpage_image] =>[orig_patent_app_number] => 400468
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/400468 | Drilling apparatus for producing drilled holes having an undercut | Aug 27, 1989 | Issued |
Array
(
[id] => 2773150
[patent_doc_number] => 05141369
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-08-25
[patent_title] => 'Cutting tool for plastic materials'
[patent_app_type] => 1
[patent_app_number] => 7/397324
[patent_app_country] => US
[patent_app_date] => 1989-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 5
[patent_no_of_words] => 1144
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 58
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/141/05141369.pdf
[firstpage_image] =>[orig_patent_app_number] => 397324
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/397324 | Cutting tool for plastic materials | Aug 21, 1989 | Issued |
Array
(
[id] => 2725777
[patent_doc_number] => 05020201
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-06-04
[patent_title] => 'Machine tool'
[patent_app_type] => 1
[patent_app_number] => 7/397417
[patent_app_country] => US
[patent_app_date] => 1989-08-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 16
[patent_no_of_words] => 2451
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 381
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/020/05020201.pdf
[firstpage_image] =>[orig_patent_app_number] => 397417
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/397417 | Machine tool | Aug 14, 1989 | Issued |
Array
(
[id] => 2732318
[patent_doc_number] => 05042126
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-08-27
[patent_title] => 'Drive apparatus for multi-spindle processing machines'
[patent_app_type] => 1
[patent_app_number] => 7/392594
[patent_app_country] => US
[patent_app_date] => 1989-08-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 2760
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 408
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/042/05042126.pdf
[firstpage_image] =>[orig_patent_app_number] => 392594
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/392594 | Drive apparatus for multi-spindle processing machines | Aug 10, 1989 | Issued |
Array
(
[id] => 2725513
[patent_doc_number] => 05039260
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-08-13
[patent_title] => 'Driver element for use with rivet shavers'
[patent_app_type] => 1
[patent_app_number] => 7/390937
[patent_app_country] => US
[patent_app_date] => 1989-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 7
[patent_no_of_words] => 1222
[patent_no_of_claims] => 1
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 101
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/039/05039260.pdf
[firstpage_image] =>[orig_patent_app_number] => 390937
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/390937 | Driver element for use with rivet shavers | Aug 6, 1989 | Issued |
Array
(
[id] => 2685960
[patent_doc_number] => 04995768
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-02-26
[patent_title] => 'Rapid change drill holder assembly'
[patent_app_type] => 1
[patent_app_number] => 7/387005
[patent_app_country] => US
[patent_app_date] => 1989-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 12
[patent_no_of_words] => 2825
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 290
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/995/04995768.pdf
[firstpage_image] =>[orig_patent_app_number] => 387005
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/387005 | Rapid change drill holder assembly | Jul 30, 1989 | Issued |
Array
(
[id] => 2696630
[patent_doc_number] => 05000627
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-03-19
[patent_title] => 'Apparatus for adjusting radial displacement from rotatable shaft'
[patent_app_type] => 1
[patent_app_number] => 7/383978
[patent_app_country] => US
[patent_app_date] => 1989-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2046
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 168
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/000/05000627.pdf
[firstpage_image] =>[orig_patent_app_number] => 383978
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/383978 | Apparatus for adjusting radial displacement from rotatable shaft | Jul 23, 1989 | Issued |
Array
(
[id] => 2734390
[patent_doc_number] => 05029881
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-07-09
[patent_title] => 'Jaw teeth with elastomeric connector'
[patent_app_type] => 1
[patent_app_number] => 7/379424
[patent_app_country] => US
[patent_app_date] => 1989-07-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 7
[patent_no_of_words] => 2604
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/029/05029881.pdf
[firstpage_image] =>[orig_patent_app_number] => 379424
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/379424 | Jaw teeth with elastomeric connector | Jul 12, 1989 | Issued |
07/379325 | NICKED CUTTING TOOL | Jul 11, 1989 | Abandoned |
Array
(
[id] => 2600775
[patent_doc_number] => 04955119
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-09-11
[patent_title] => 'Multi-task end effector for robotic machining center'
[patent_app_type] => 1
[patent_app_number] => 7/378019
[patent_app_country] => US
[patent_app_date] => 1989-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 15
[patent_no_of_words] => 5726
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/955/04955119.pdf
[firstpage_image] =>[orig_patent_app_number] => 378019
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/378019 | Multi-task end effector for robotic machining center | Jul 10, 1989 | Issued |
Array
(
[id] => 2856730
[patent_doc_number] => 05096340
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-17
[patent_title] => 'Adjustable depth gage'
[patent_app_type] => 1
[patent_app_number] => 7/376738
[patent_app_country] => US
[patent_app_date] => 1989-07-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1175
[patent_no_of_claims] => 1
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 336
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/096/05096340.pdf
[firstpage_image] =>[orig_patent_app_number] => 376738
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/376738 | Adjustable depth gage | Jul 6, 1989 | Issued |
Array
(
[id] => 2681913
[patent_doc_number] => 05018911
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-05-28
[patent_title] => 'Drilling apparatus for structural steel shapes'
[patent_app_type] => 1
[patent_app_number] => 7/375769
[patent_app_country] => US
[patent_app_date] => 1989-07-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 2916
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 445
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/018/05018911.pdf
[firstpage_image] =>[orig_patent_app_number] => 375769
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/375769 | Drilling apparatus for structural steel shapes | Jul 4, 1989 | Issued |
Array
(
[id] => 2696235
[patent_doc_number] => 05060957
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-10-29
[patent_title] => 'Power-operated chuck'
[patent_app_type] => 1
[patent_app_number] => 7/375394
[patent_app_country] => US
[patent_app_date] => 1989-07-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2138
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 215
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/060/05060957.pdf
[firstpage_image] =>[orig_patent_app_number] => 375394
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/375394 | Power-operated chuck | Jul 2, 1989 | Issued |
Array
(
[id] => 2698210
[patent_doc_number] => 04981403
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-01
[patent_title] => 'Speed-up spindle unit'
[patent_app_type] => 1
[patent_app_number] => 7/369757
[patent_app_country] => US
[patent_app_date] => 1989-06-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1919
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 62
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/981/04981403.pdf
[firstpage_image] =>[orig_patent_app_number] => 369757
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/369757 | Speed-up spindle unit | Jun 22, 1989 | Issued |
Array
(
[id] => 2750518
[patent_doc_number] => 04984351
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-15
[patent_title] => 'Machine tool'
[patent_app_type] => 1
[patent_app_number] => 7/366480
[patent_app_country] => US
[patent_app_date] => 1989-06-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 12
[patent_no_of_words] => 3886
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 242
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/984/04984351.pdf
[firstpage_image] =>[orig_patent_app_number] => 366480
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/366480 | Machine tool | Jun 14, 1989 | Issued |
Array
(
[id] => 2682755
[patent_doc_number] => 04999895
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-03-19
[patent_title] => 'Machine tool'
[patent_app_type] => 1
[patent_app_number] => 7/366481
[patent_app_country] => US
[patent_app_date] => 1989-06-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 3057
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/999/04999895.pdf
[firstpage_image] =>[orig_patent_app_number] => 366481
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/366481 | Machine tool | Jun 14, 1989 | Issued |
Array
(
[id] => 2661507
[patent_doc_number] => 04983081
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-08
[patent_title] => 'Apparatus and method for forming shiplap duct'
[patent_app_type] => 1
[patent_app_number] => 7/360196
[patent_app_country] => US
[patent_app_date] => 1989-06-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 11
[patent_no_of_words] => 3051
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 324
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/983/04983081.pdf
[firstpage_image] =>[orig_patent_app_number] => 360196
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/360196 | Apparatus and method for forming shiplap duct | May 31, 1989 | Issued |
Array
(
[id] => 2677198
[patent_doc_number] => 05049011
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-09-17
[patent_title] => 'Rotary boring tool with indexable cutter chips'
[patent_app_type] => 1
[patent_app_number] => 7/359275
[patent_app_country] => US
[patent_app_date] => 1989-05-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 4203
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 479
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/049/05049011.pdf
[firstpage_image] =>[orig_patent_app_number] => 359275
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/359275 | Rotary boring tool with indexable cutter chips | May 30, 1989 | Issued |
07/359359 | WORK HOLDING APPARATUS | May 30, 1989 | Abandoned |
Array
(
[id] => 2697840
[patent_doc_number] => 05054973
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-10-08
[patent_title] => 'Tool bit with axially extending grooves in insertion end'
[patent_app_type] => 1
[patent_app_number] => 7/357089
[patent_app_country] => US
[patent_app_date] => 1989-05-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 9
[patent_no_of_words] => 2259
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/054/05054973.pdf
[firstpage_image] =>[orig_patent_app_number] => 357089
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/357089 | Tool bit with axially extending grooves in insertion end | May 24, 1989 | Issued |