Search

Hai Chi Pham

Examiner (ID: 18284)

Most Active Art Unit
2861
Art Unit(s)
2853, 2861
Total Applications
1967
Issued Applications
1679
Pending Applications
12
Abandoned Applications
277

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2487862 [patent_doc_number] => 04820839 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-11 [patent_title] => 'Nitrogen-containing heterocyclic esters' [patent_app_type] => 1 [patent_app_number] => 7/009329 [patent_app_country] => US [patent_app_date] => 1987-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13399 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/820/04820839.pdf [firstpage_image] =>[orig_patent_app_number] => 009329 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/009329
Nitrogen-containing heterocyclic esters Jan 22, 1987 Issued
Array ( [id] => 2551130 [patent_doc_number] => 04816179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-28 [patent_title] => 'Dihalogeno-aromatic compound' [patent_app_type] => 1 [patent_app_number] => 7/004578 [patent_app_country] => US [patent_app_date] => 1987-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2211 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/816/04816179.pdf [firstpage_image] =>[orig_patent_app_number] => 004578 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/004578
Dihalogeno-aromatic compound Jan 19, 1987 Issued
Array ( [id] => 2384529 [patent_doc_number] => 04776975 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-11 [patent_title] => 'Nematic liquid crystal composition' [patent_app_type] => 1 [patent_app_number] => 7/003760 [patent_app_country] => US [patent_app_date] => 1987-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3693 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/776/04776975.pdf [firstpage_image] =>[orig_patent_app_number] => 003760 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/003760
Nematic liquid crystal composition Jan 15, 1987 Issued
Array ( [id] => 2449526 [patent_doc_number] => 04765924 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-23 [patent_title] => 'Halogen-containing heterocyclic compound and liquid crystal composition' [patent_app_type] => 1 [patent_app_number] => 7/003282 [patent_app_country] => US [patent_app_date] => 1987-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6255 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/765/04765924.pdf [firstpage_image] =>[orig_patent_app_number] => 003282 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/003282
Halogen-containing heterocyclic compound and liquid crystal composition Jan 13, 1987 Issued
Array ( [id] => 2440119 [patent_doc_number] => 04751019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-14 [patent_title] => 'Liquid crystal compound having methyleneoxy group and composition containing same' [patent_app_type] => 1 [patent_app_number] => 7/001894 [patent_app_country] => US [patent_app_date] => 1987-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4884 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/751/04751019.pdf [firstpage_image] =>[orig_patent_app_number] => 001894 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/001894
Liquid crystal compound having methyleneoxy group and composition containing same Jan 8, 1987 Issued
Array ( [id] => 2490904 [patent_doc_number] => 04801756 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-31 [patent_title] => 'Liquid crystal compound' [patent_app_type] => 1 [patent_app_number] => 6/947631 [patent_app_country] => US [patent_app_date] => 1986-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1600 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/801/04801756.pdf [firstpage_image] =>[orig_patent_app_number] => 947631 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/947631
Liquid crystal compound Dec 29, 1986 Issued
Array ( [id] => 2556576 [patent_doc_number] => 04834904 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-30 [patent_title] => 'Nitrogen-containing heterocycles' [patent_app_type] => 1 [patent_app_number] => 7/034182 [patent_app_country] => US [patent_app_date] => 1986-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27157 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/834/04834904.pdf [firstpage_image] =>[orig_patent_app_number] => 034182 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/034182
Nitrogen-containing heterocycles Dec 23, 1986 Issued
Array ( [id] => 2544431 [patent_doc_number] => 04815825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-28 [patent_title] => 'Liquid crystal display device' [patent_app_type] => 1 [patent_app_number] => 6/942828 [patent_app_country] => US [patent_app_date] => 1986-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5637 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/815/04815825.pdf [firstpage_image] =>[orig_patent_app_number] => 942828 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/942828
Liquid crystal display device Dec 16, 1986 Issued
06/942391 LIQUID CRYSTALLINE ETHANE DERIVATIVES, THEIR PREPARATION AND THE LIQUID CRYSTAL COMPOSITIONS CONTAINING SAME Dec 15, 1986 Abandoned
Array ( [id] => 2453240 [patent_doc_number] => 04784792 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-15 [patent_title] => 'Ferroelectric pyridine compound and liquid crystal composition' [patent_app_type] => 1 [patent_app_number] => 6/942626 [patent_app_country] => US [patent_app_date] => 1986-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3312 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/784/04784792.pdf [firstpage_image] =>[orig_patent_app_number] => 942626 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/942626
Ferroelectric pyridine compound and liquid crystal composition Dec 15, 1986 Issued
Array ( [id] => 2509946 [patent_doc_number] => 04818431 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-04 [patent_title] => 'Liquid crystal dielectric' [patent_app_type] => 1 [patent_app_number] => 6/933953 [patent_app_country] => US [patent_app_date] => 1986-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13710 [patent_no_of_claims] => 17 [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/04/818/04818431.pdf [firstpage_image] =>[orig_patent_app_number] => 933953 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/933953
Liquid crystal dielectric Nov 23, 1986 Issued
Array ( [id] => 2383410 [patent_doc_number] => 04707296 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-11-17 [patent_title] => 'Alkoxyethoxybenzoic acid ester derivatives' [patent_app_type] => 1 [patent_app_number] => 6/933618 [patent_app_country] => US [patent_app_date] => 1986-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2327 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/707/04707296.pdf [firstpage_image] =>[orig_patent_app_number] => 933618 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/933618
Alkoxyethoxybenzoic acid ester derivatives Nov 20, 1986 Issued
Array ( [id] => 2613373 [patent_doc_number] => 04943384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Cyclohexane derivatives' [patent_app_type] => 1 [patent_app_number] => 7/002596 [patent_app_country] => US [patent_app_date] => 1986-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15700 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/943/04943384.pdf [firstpage_image] =>[orig_patent_app_number] => 002596 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/002596
Cyclohexane derivatives Nov 20, 1986 Issued
Array ( [id] => 2488597 [patent_doc_number] => 04846998 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-11 [patent_title] => 'Cyclohexane derivatives' [patent_app_type] => 1 [patent_app_number] => 7/005191 [patent_app_country] => US [patent_app_date] => 1986-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11764 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 403 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/846/04846998.pdf [firstpage_image] =>[orig_patent_app_number] => 005191 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/005191
Cyclohexane derivatives Nov 20, 1986 Issued
06/925642 LIQUID CRYSTALS Oct 30, 1986 Abandoned
Array ( [id] => 2390093 [patent_doc_number] => 04769176 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-06 [patent_title] => 'Biphenyl esters and liquid crystal materials and devices containing them' [patent_app_type] => 1 [patent_app_number] => 6/923825 [patent_app_country] => US [patent_app_date] => 1986-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 7639 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/769/04769176.pdf [firstpage_image] =>[orig_patent_app_number] => 923825 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/923825
Biphenyl esters and liquid crystal materials and devices containing them Oct 29, 1986 Issued
Array ( [id] => 2448006 [patent_doc_number] => 04759869 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-26 [patent_title] => 'Liquid crystalline carbonic acid ester and liquid crystal composition containing same' [patent_app_type] => 1 [patent_app_number] => 6/928295 [patent_app_country] => US [patent_app_date] => 1986-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4130 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/759/04759869.pdf [firstpage_image] =>[orig_patent_app_number] => 928295 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/928295
Liquid crystalline carbonic acid ester and liquid crystal composition containing same Oct 27, 1986 Issued
Array ( [id] => 2501298 [patent_doc_number] => 04798680 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-17 [patent_title] => 'Optically active compound, process for producing same and liquid crystal composition containing same' [patent_app_type] => 1 [patent_app_number] => 6/919376 [patent_app_country] => US [patent_app_date] => 1986-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4569 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/798/04798680.pdf [firstpage_image] =>[orig_patent_app_number] => 919376 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/919376
Optically active compound, process for producing same and liquid crystal composition containing same Oct 15, 1986 Issued
Array ( [id] => 2439839 [patent_doc_number] => 04778621 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-18 [patent_title] => 'Ester compound' [patent_app_type] => 1 [patent_app_number] => 6/917491 [patent_app_country] => US [patent_app_date] => 1986-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1573 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/778/04778621.pdf [firstpage_image] =>[orig_patent_app_number] => 917491 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/917491
Ester compound Oct 9, 1986 Issued
06/917138 ANISOTROPIC COMPOUNDS AND LIQUID CRYSTAL MIXTURES Oct 8, 1986 Abandoned
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