Search

Y. Christina Chan

Examiner (ID: 7410)

Most Active Art Unit
1806
Art Unit(s)
1644, 1503, 1803, 1806, 1816, 1802, 1809, 1811
Total Applications
487
Issued Applications
195
Pending Applications
66
Abandoned Applications
226

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2498969 [patent_doc_number] => 04830507 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-16 [patent_title] => 'Method of and apparatus for thickening red muds derived from bauxite and similar slurries' [patent_app_type] => 1 [patent_app_number] => 7/017896 [patent_app_country] => US [patent_app_date] => 1987-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 5859 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/830/04830507.pdf [firstpage_image] =>[orig_patent_app_number] => 017896 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/017896
Method of and apparatus for thickening red muds derived from bauxite and similar slurries Feb 23, 1987 Issued
Array ( [id] => 2370931 [patent_doc_number] => 04780925 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-01 [patent_title] => 'Dipstick guide with automatic wiper' [patent_app_type] => 1 [patent_app_number] => 7/015311 [patent_app_country] => US [patent_app_date] => 1987-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 3167 [patent_no_of_claims] => 2 [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/04/780/04780925.pdf [firstpage_image] =>[orig_patent_app_number] => 015311 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/015311
Dipstick guide with automatic wiper Feb 16, 1987 Issued
Array ( [id] => 2377684 [patent_doc_number] => 04768532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-06 [patent_title] => 'Underwater pool cleaner' [patent_app_type] => 1 [patent_app_number] => 7/006178 [patent_app_country] => US [patent_app_date] => 1987-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 3009 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/768/04768532.pdf [firstpage_image] =>[orig_patent_app_number] => 006178 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/006178
Underwater pool cleaner Jan 22, 1987 Issued
07/004592 HAND TROWEL Jan 19, 1987 Abandoned
07/004048 ROLLABLE FLOOR MAT Jan 15, 1987 Abandoned
Array ( [id] => 2541854 [patent_doc_number] => 04836228 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-06 [patent_title] => 'Container cleaning apparatus' [patent_app_type] => 1 [patent_app_number] => 6/938436 [patent_app_country] => US [patent_app_date] => 1986-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 4078 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/836/04836228.pdf [firstpage_image] =>[orig_patent_app_number] => 938436 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/938436
Container cleaning apparatus Dec 4, 1986 Issued
Array ( [id] => 2438293 [patent_doc_number] => 04792237 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-20 [patent_title] => 'Agitating blade structure of soil stabilizing apparatus' [patent_app_type] => 1 [patent_app_number] => 6/938697 [patent_app_country] => US [patent_app_date] => 1986-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 2722 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/792/04792237.pdf [firstpage_image] =>[orig_patent_app_number] => 938697 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/938697
Agitating blade structure of soil stabilizing apparatus Dec 4, 1986 Issued
Array ( [id] => 2414693 [patent_doc_number] => 04779989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-25 [patent_title] => 'Transfer mixer assembly for use with an extruder screw of a polymer extruder or the like' [patent_app_type] => 1 [patent_app_number] => 6/938554 [patent_app_country] => US [patent_app_date] => 1986-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3502 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/779/04779989.pdf [firstpage_image] =>[orig_patent_app_number] => 938554 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/938554
Transfer mixer assembly for use with an extruder screw of a polymer extruder or the like Nov 30, 1986 Issued
Array ( [id] => 2367747 [patent_doc_number] => 04782565 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-08 [patent_title] => 'Air processing apparatus' [patent_app_type] => 1 [patent_app_number] => 6/935240 [patent_app_country] => US [patent_app_date] => 1986-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5615 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/782/04782565.pdf [firstpage_image] =>[orig_patent_app_number] => 935240 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/935240
Air processing apparatus Nov 25, 1986 Issued
Array ( [id] => 2368499 [patent_doc_number] => 04793018 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-27 [patent_title] => 'Tennis shoe cleaning device' [patent_app_type] => 1 [patent_app_number] => 6/927903 [patent_app_country] => US [patent_app_date] => 1986-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 714 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/793/04793018.pdf [firstpage_image] =>[orig_patent_app_number] => 927903 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/927903
Tennis shoe cleaning device Nov 5, 1986 Issued
Array ( [id] => 2431542 [patent_doc_number] => 04757572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-19 [patent_title] => 'Wall corner finishing tool' [patent_app_type] => 1 [patent_app_number] => 6/922531 [patent_app_country] => US [patent_app_date] => 1986-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2404 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/757/04757572.pdf [firstpage_image] =>[orig_patent_app_number] => 922531 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/922531
Wall corner finishing tool Oct 22, 1986 Issued
Array ( [id] => 2406178 [patent_doc_number] => 04787424 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-29 [patent_title] => 'Method of inserting loops of continuous weft thread in a needle loom' [patent_app_type] => 1 [patent_app_number] => 6/918928 [patent_app_country] => US [patent_app_date] => 1986-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1450 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/787/04787424.pdf [firstpage_image] =>[orig_patent_app_number] => 918928 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/918928
Method of inserting loops of continuous weft thread in a needle loom Oct 14, 1986 Issued
Array ( [id] => 2402129 [patent_doc_number] => 04735236 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-05 [patent_title] => 'Multiple yarn insertion device' [patent_app_type] => 1 [patent_app_number] => 6/916965 [patent_app_country] => US [patent_app_date] => 1986-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2339 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/735/04735236.pdf [firstpage_image] =>[orig_patent_app_number] => 916965 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/916965
Multiple yarn insertion device Oct 7, 1986 Issued
Array ( [id] => 2523827 [patent_doc_number] => 04831672 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-23 [patent_title] => 'Floor-level adjusting device for a pool' [patent_app_type] => 1 [patent_app_number] => 6/908504 [patent_app_country] => US [patent_app_date] => 1986-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 27 [patent_no_of_words] => 6402 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/831/04831672.pdf [firstpage_image] =>[orig_patent_app_number] => 908504 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/908504
Floor-level adjusting device for a pool Sep 16, 1986 Issued
Array ( [id] => 2399868 [patent_doc_number] => 04724872 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-02-16 [patent_title] => 'Method for the control of a weaving loom and weaving loom for implementing such method' [patent_app_type] => 1 [patent_app_number] => 6/912250 [patent_app_country] => US [patent_app_date] => 1986-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2325 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/724/04724872.pdf [firstpage_image] =>[orig_patent_app_number] => 912250 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/912250
Method for the control of a weaving loom and weaving loom for implementing such method Sep 15, 1986 Issued
Array ( [id] => 2305968 [patent_doc_number] => 04715410 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-12-29 [patent_title] => 'Weaving loom' [patent_app_type] => 1 [patent_app_number] => 6/908044 [patent_app_country] => US [patent_app_date] => 1986-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1430 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/715/04715410.pdf [firstpage_image] =>[orig_patent_app_number] => 908044 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/908044
Weaving loom Sep 15, 1986 Issued
Array ( [id] => 2433281 [patent_doc_number] => 04778280 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-18 [patent_title] => 'Mixing apparatus' [patent_app_type] => 1 [patent_app_number] => 6/905674 [patent_app_country] => US [patent_app_date] => 1986-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 2905 [patent_no_of_claims] => 24 [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/04/778/04778280.pdf [firstpage_image] =>[orig_patent_app_number] => 905674 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/905674
Mixing apparatus Sep 8, 1986 Issued
Array ( [id] => 2489955 [patent_doc_number] => 04830034 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-16 [patent_title] => 'Brake cleaning assembly' [patent_app_type] => 1 [patent_app_number] => 6/901319 [patent_app_country] => US [patent_app_date] => 1986-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1979 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/830/04830034.pdf [firstpage_image] =>[orig_patent_app_number] => 901319 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/901319
Brake cleaning assembly Aug 27, 1986 Issued
Array ( [id] => 2532942 [patent_doc_number] => 04805647 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-21 [patent_title] => 'Timer to dispenser tolerance take-up for dishwasher' [patent_app_type] => 1 [patent_app_number] => 6/901008 [patent_app_country] => US [patent_app_date] => 1986-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 5228 [patent_no_of_claims] => 13 [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/04/805/04805647.pdf [firstpage_image] =>[orig_patent_app_number] => 901008 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/901008
Timer to dispenser tolerance take-up for dishwasher Aug 26, 1986 Issued
Array ( [id] => 2293770 [patent_doc_number] => 04690178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-01 [patent_title] => 'Mobile hook for the shed forming device of a weaving loom' [patent_app_type] => 1 [patent_app_number] => 6/896272 [patent_app_country] => US [patent_app_date] => 1986-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1565 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/690/04690178.pdf [firstpage_image] =>[orig_patent_app_number] => 896272 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/896272
Mobile hook for the shed forming device of a weaving loom Aug 13, 1986 Issued
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