Patent US3206306A successfully refreshed from Google Patents.
US3206306A
Expired / Lapsed
US
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Material for electrophotographic purposes
Assignee: Azoplate Corp
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Filing: 1960-04-07
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Granted: 1965-09-14
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Expires: 1980-04-07
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Tomanek Martha
- 👤 Behmenburg Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:49
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0624; G03G5/0635; G03G5/0637; G03G5/0601; G03G5/0612; G03G5/0614; G03G5/06142; G03G5/06144; G03G5/0618; G03G5/0627; G03G5/0629; G03G5/0638
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
AN ELECTROPHOTOGRAHIC MATERIAL COMPRISING A CONDUCTIVE SUPPORT LAYER AND A UNIFORM, CONTINUOUS PHOTOCONDUCTIVE INSULATING LAYER, THE LATTER COMPRISING A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
AN ELECTROPHOTOGRAHIC MATERIAL COMPRISING A CONDUCTIVE SUPPORT LAYER AND A UNIFORM, CONTINUOUS PHOTOCONDUCTIVE INSULATING LAYER, THE LATTER COMPRISING A COMPOUND HAVING THE FORMULA
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |