
Kai J. Chang
Examiner (ID: 12149, Phone: (571)270-5448 , Office: P/2468 )
| Most Active Art Unit | 2468 |
| Art Unit(s) | 2468 |
| Total Applications | 476 |
| Issued Applications | 340 |
| Pending Applications | 29 |
| Abandoned Applications | 111 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2752648
[patent_doc_number] => 05071880
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-12-10
[patent_title] => 'Process for producing a bifunctional filter membrane having iminodiacetic acid groups'
[patent_app_type] => 1
[patent_app_number] => 7/437659
[patent_app_country] => US
[patent_app_date] => 1989-11-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1149
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 60
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/071/05071880.pdf
[firstpage_image] =>[orig_patent_app_number] => 437659
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/437659 | Process for producing a bifunctional filter membrane having iminodiacetic acid groups | Nov 16, 1989 | Issued |
Array
(
[id] => 2786746
[patent_doc_number] => 05130393
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-07-14
[patent_title] => 'Plastic lens'
[patent_app_type] => 1
[patent_app_number] => 7/439369
[patent_app_country] => US
[patent_app_date] => 1989-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2752
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 71
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/130/05130393.pdf
[firstpage_image] =>[orig_patent_app_number] => 439369
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/439369 | Plastic lens | Nov 7, 1989 | Issued |
Array
(
[id] => 2884574
[patent_doc_number] => 05109074
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-28
[patent_title] => 'Process for preparing an aminomethylphosphonic chelating resin'
[patent_app_type] => 1
[patent_app_number] => 7/367529
[patent_app_country] => US
[patent_app_date] => 1989-06-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7615
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 58
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/109/05109074.pdf
[firstpage_image] =>[orig_patent_app_number] => 367529
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/367529 | Process for preparing an aminomethylphosphonic chelating resin | Jun 15, 1989 | Issued |
Array
(
[id] => 2804324
[patent_doc_number] => 05124464
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-23
[patent_title] => 'Method of preparing metallocene compounds'
[patent_app_type] => 1
[patent_app_number] => 7/366605
[patent_app_country] => US
[patent_app_date] => 1989-06-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2654
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 78
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/124/05124464.pdf
[firstpage_image] =>[orig_patent_app_number] => 366605
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/366605 | Method of preparing metallocene compounds | Jun 14, 1989 | Issued |
| 07/305155 | PRESSURE-ACTIVATED ADHESIVES | Jan 31, 1989 | Abandoned |
Array
(
[id] => 2673532
[patent_doc_number] => 05073617
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-12-17
[patent_title] => 'Barrier film and process for making'
[patent_app_type] => 1
[patent_app_number] => 7/292716
[patent_app_country] => US
[patent_app_date] => 1989-01-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 6432
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 206
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/073/05073617.pdf
[firstpage_image] =>[orig_patent_app_number] => 292716
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/292716 | Barrier film and process for making | Jan 2, 1989 | Issued |
| 07/238847 | CATION EXCHANGE POLYIMIDE RESIN AND USE THEREOF | Aug 30, 1988 | Abandoned |
Array
(
[id] => 2596687
[patent_doc_number] => 04902077
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-20
[patent_title] => 'Hydraulic brake system'
[patent_app_type] => 1
[patent_app_number] => 7/624623
[patent_app_country] => US
[patent_app_date] => 1984-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3278
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/902/04902077.pdf
[firstpage_image] =>[orig_patent_app_number] => 624623
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/624623 | Hydraulic brake system | Jun 25, 1984 | Issued |
Array
(
[id] => 2596687
[patent_doc_number] => 04902077
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-20
[patent_title] => 'Hydraulic brake system'
[patent_app_type] => 1
[patent_app_number] => 7/624623
[patent_app_country] => US
[patent_app_date] => 1984-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3278
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/902/04902077.pdf
[firstpage_image] =>[orig_patent_app_number] => 624623
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/624623 | Hydraulic brake system | Jun 25, 1984 | Issued |
Array
(
[id] => 2596687
[patent_doc_number] => 04902077
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-20
[patent_title] => 'Hydraulic brake system'
[patent_app_type] => 1
[patent_app_number] => 7/624623
[patent_app_country] => US
[patent_app_date] => 1984-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3278
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/902/04902077.pdf
[firstpage_image] =>[orig_patent_app_number] => 624623
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/624623 | Hydraulic brake system | Jun 25, 1984 | Issued |
Array
(
[id] => 2596687
[patent_doc_number] => 04902077
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-20
[patent_title] => 'Hydraulic brake system'
[patent_app_type] => 1
[patent_app_number] => 7/624623
[patent_app_country] => US
[patent_app_date] => 1984-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3278
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/902/04902077.pdf
[firstpage_image] =>[orig_patent_app_number] => 624623
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/624623 | Hydraulic brake system | Jun 25, 1984 | Issued |