Patent US2471576A successfully refreshed from Google Patents.
Patent US3114633A successfully refreshed from Google Patents.
US3114633A
Expired / Lapsed
US
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Material for electrophotographic and electroradiographic purposes
Assignee: Azoplate Corp
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Filing: 1960-04-13
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Granted: 1963-12-17
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Expires: 1980-04-13
Abstract
No abstract record available.
Inventors
- 👤 Schlesinger Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:17
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CONDUCTIVE SUPPORT LAYER AND A PHOTOCONDUCTIVE INSULATING LAYER, THE LATTER COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
24 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CONDUCTIVE SUPPORT LAYER AND A PHOTOCONDUCTIVE INSULATING LAYER, THE LATTER COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
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US2108018A
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US2170670A
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US2809913A
Cited
US2777853A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |