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US3301676A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and material for the production of electrophotographic images

Assignee: Azoplate Corp
•
Filing: 1964-10-09
•
Granted: 1967-01-31
•
Expires: 1984-10-09
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Abstract

No abstract record available.

Inventors

  • 👤 Tomanek Martha

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:41
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0624; G03G5/0635; G03G5/0637; C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/44; C07D213/46; C07D213/50; C09; C09B; C09B25/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 27 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CONDUCTIVE SUPPORT LAYER HAVING A SUBLIMABLE PHOTOCONDUCTIVE INSULATING LAYER THEREON, THE LATER COMPRISING AS THE SOLE PHOTOCONDUCTOR A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim 27 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CONDUCTIVE SUPPORT LAYER HAVING A SUBLIMABLE PHOTOCONDUCTIVE INSULATING LAYER THEREON, THE LATER COMPRISING AS THE SOLE PHOTOCONDUCTOR A COMPOUND HAVING THE FORMULA

References Cited (Backward Citations)

US2297691A Cited
US3189447A Cited
US3069365A Cited
US3108109A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-30 1970-08-01 1971-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-30 1974-08-01 1975-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-30 1978-08-01 1979-01-31 $7700.00 Window Closed / Lapsed

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