Patent US3404979A successfully refreshed from Google Patents.
US3404979A
Expired / Lapsed
US
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Electrophotographic layers with polyamide binders and a process for their manufacture
Assignee: Lumiere SA
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Filing: 1964-11-04
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Granted: 1968-10-08
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Bonjour Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:12
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0528; G03G5/0532; G03G5/0546; C; C08; C08F; C08F8/00; C08F8/30; C08F8/32; G03G5/0592
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |