
Kai J. Chang
Examiner (ID: 19429, Phone: (571)270-5448 , Office: P/2468 )
| Most Active Art Unit | 2468 |
| Art Unit(s) | 2468 |
| Total Applications | 464 |
| Issued Applications | 333 |
| Pending Applications | 28 |
| Abandoned Applications | 109 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2683087
[patent_doc_number] => 05064264
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-11-12
[patent_title] => 'Photorefractive materials'
[patent_app_type] => 1
[patent_app_number] => 7/604560
[patent_app_country] => US
[patent_app_date] => 1990-10-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5451
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 48
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/064/05064264.pdf
[firstpage_image] =>[orig_patent_app_number] => 604560
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/604560 | Photorefractive materials | Oct 25, 1990 | Issued |
Array
(
[id] => 2712247
[patent_doc_number] => 05056886
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-10-15
[patent_title] => 'Optical switching device'
[patent_app_type] => 1
[patent_app_number] => 7/603592
[patent_app_country] => US
[patent_app_date] => 1990-10-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2963
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 305
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/056/05056886.pdf
[firstpage_image] =>[orig_patent_app_number] => 603592
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/603592 | Optical switching device | Oct 24, 1990 | Issued |
Array
(
[id] => 2872247
[patent_doc_number] => 05150445
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-09-22
[patent_title] => 'Luminous display system incorporating optical fibers'
[patent_app_type] => 1
[patent_app_number] => 7/598706
[patent_app_country] => US
[patent_app_date] => 1990-10-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2073
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 281
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/150/05150445.pdf
[firstpage_image] =>[orig_patent_app_number] => 598706
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/598706 | Luminous display system incorporating optical fibers | Oct 21, 1990 | Issued |
Array
(
[id] => 2838016
[patent_doc_number] => 05117474
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-26
[patent_title] => 'Device for injecting the light energy of a laser beam into a fibre-optic optical waveguide and a method for adjusting and monitoring the position of the end of the fibre-optic optical waveguide'
[patent_app_type] => 1
[patent_app_number] => 7/591536
[patent_app_country] => US
[patent_app_date] => 1990-10-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 2314
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 209
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/117/05117474.pdf
[firstpage_image] =>[orig_patent_app_number] => 591536
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/591536 | Device for injecting the light energy of a laser beam into a fibre-optic optical waveguide and a method for adjusting and monitoring the position of the end of the fibre-optic optical waveguide | Oct 1, 1990 | Issued |
Array
(
[id] => 2849478
[patent_doc_number] => 05121461
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-09
[patent_title] => 'Heat-resistant plastic optical fiber and process for the production thereof'
[patent_app_type] => 1
[patent_app_number] => 7/590946
[patent_app_country] => US
[patent_app_date] => 1990-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2172
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 76
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/121/05121461.pdf
[firstpage_image] =>[orig_patent_app_number] => 590946
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/590946 | Heat-resistant plastic optical fiber and process for the production thereof | Sep 30, 1990 | Issued |
Array
(
[id] => 2795999
[patent_doc_number] => 05093887
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-03
[patent_title] => 'Sliding cable tray with cable pivot arm'
[patent_app_type] => 1
[patent_app_number] => 7/590669
[patent_app_country] => US
[patent_app_date] => 1990-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 7
[patent_no_of_words] => 2913
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 126
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/093/05093887.pdf
[firstpage_image] =>[orig_patent_app_number] => 590669
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/590669 | Sliding cable tray with cable pivot arm | Sep 27, 1990 | Issued |
| 07/581705 | OPTICAL-FIBER INCORPORATED LONGER-SIZED SUBAQUEOUS UNIT | Sep 12, 1990 | Abandoned |
Array
(
[id] => 2736131
[patent_doc_number] => 05037171
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-08-06
[patent_title] => 'Optical fiber coupling structure'
[patent_app_type] => 1
[patent_app_number] => 7/575020
[patent_app_country] => US
[patent_app_date] => 1990-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2230
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 151
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/037/05037171.pdf
[firstpage_image] =>[orig_patent_app_number] => 575020
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/575020 | Optical fiber coupling structure | Aug 29, 1990 | Issued |
Array
(
[id] => 2695899
[patent_doc_number] => 05054868
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-10-08
[patent_title] => 'Armored optical fiber cable interconnection for dual payout systems'
[patent_app_type] => 1
[patent_app_number] => 7/576250
[patent_app_country] => US
[patent_app_date] => 1990-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 7
[patent_no_of_words] => 5725
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 235
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/054/05054868.pdf
[firstpage_image] =>[orig_patent_app_number] => 576250
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/576250 | Armored optical fiber cable interconnection for dual payout systems | Aug 28, 1990 | Issued |
Array
(
[id] => 2669984
[patent_doc_number] => 05066088
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-11-19
[patent_title] => 'Optical variable delay line and variable-frequency fiber-optic multiplexer'
[patent_app_type] => 1
[patent_app_number] => 7/572835
[patent_app_country] => US
[patent_app_date] => 1990-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2928
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 151
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/066/05066088.pdf
[firstpage_image] =>[orig_patent_app_number] => 572835
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/572835 | Optical variable delay line and variable-frequency fiber-optic multiplexer | Aug 26, 1990 | Issued |
| 07/564605 | OPTO-ELECTRONIC TRANSDUCER ARRANGEMENT HAVING A LENS-TYPE OPTICAL COUPLING | Aug 8, 1990 | Abandoned |
Array
(
[id] => 2675273
[patent_doc_number] => 05048909
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-09-17
[patent_title] => 'Adiabatic reflection apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/559010
[patent_app_country] => US
[patent_app_date] => 1990-07-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 4040
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 85
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/048/05048909.pdf
[firstpage_image] =>[orig_patent_app_number] => 559010
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/559010 | Adiabatic reflection apparatus | Jul 26, 1990 | Issued |
| 07/558933 | INTERCONNECT ASSEMBLY FOR WALL OUTLET | Jul 26, 1990 | Abandoned |
Array
(
[id] => 2825903
[patent_doc_number] => 05123075
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-16
[patent_title] => 'Overhead electric and optical transmission systems'
[patent_app_type] => 1
[patent_app_number] => 7/556450
[patent_app_country] => US
[patent_app_date] => 1990-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3390
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 265
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/123/05123075.pdf
[firstpage_image] =>[orig_patent_app_number] => 556450
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/556450 | Overhead electric and optical transmission systems | Jul 23, 1990 | Issued |
Array
(
[id] => 2696929
[patent_doc_number] => 04981338
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-01
[patent_title] => 'Optical fiber refractometer'
[patent_app_type] => 1
[patent_app_number] => 7/553040
[patent_app_country] => US
[patent_app_date] => 1990-07-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 10
[patent_no_of_words] => 3628
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 154
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/981/04981338.pdf
[firstpage_image] =>[orig_patent_app_number] => 553040
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/553040 | Optical fiber refractometer | Jul 15, 1990 | Issued |
Array
(
[id] => 2883575
[patent_doc_number] => 05091982
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-02-25
[patent_title] => 'Waveguide type optical detection apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/550569
[patent_app_country] => US
[patent_app_date] => 1990-07-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 21
[patent_no_of_words] => 7702
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 249
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/091/05091982.pdf
[firstpage_image] =>[orig_patent_app_number] => 550569
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/550569 | Waveguide type optical detection apparatus | Jul 9, 1990 | Issued |
Array
(
[id] => 2891957
[patent_doc_number] => 05109463
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-04-28
[patent_title] => 'Fiber optic lamp'
[patent_app_type] => 1
[patent_app_number] => 7/543339
[patent_app_country] => US
[patent_app_date] => 1990-06-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 16
[patent_no_of_words] => 4149
[patent_no_of_claims] => 27
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 155
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/109/05109463.pdf
[firstpage_image] =>[orig_patent_app_number] => 543339
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/543339 | Fiber optic lamp | Jun 24, 1990 | Issued |
| 07/542980 | PSEUDO-INTAGLIATED FIBER OPTIC PHOSPHOR SCREEN AND METHOD | Jun 24, 1990 | Abandoned |
Array
(
[id] => 2984775
[patent_doc_number] => 05182789
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-01-26
[patent_title] => 'Optical fiber holder'
[patent_app_type] => 1
[patent_app_number] => 7/541105
[patent_app_country] => US
[patent_app_date] => 1990-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 3662
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 258
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/182/05182789.pdf
[firstpage_image] =>[orig_patent_app_number] => 541105
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/541105 | Optical fiber holder | Jun 19, 1990 | Issued |
Array
(
[id] => 2856178
[patent_doc_number] => 05096312
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-17
[patent_title] => 'Passive fiber-optic polarization control element'
[patent_app_type] => 1
[patent_app_number] => 7/540786
[patent_app_country] => US
[patent_app_date] => 1990-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 3626
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 63
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/096/05096312.pdf
[firstpage_image] =>[orig_patent_app_number] => 540786
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/540786 | Passive fiber-optic polarization control element | Jun 19, 1990 | Issued |