Patent US3526879A successfully refreshed from Google Patents.
US3526879A
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Internal frost recording apparatus using a deformable photoconductor
Assignee: Xerox Corp
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Filing: 1967-02-16
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Granted: 1970-09-01
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Expires: 1987-02-16
Abstract
No abstract record available.
Inventors
- 👤 Robert W Gundlach
- 👤 Lloyd F Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:05
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/022; G03G16/00; G03G7/00; H; H01; H01J; H01J31/00; H01J31/02; H01J31/06; H01J31/065; H04; H04N; H04N5/00; H04N5/76; H04N5/80; H04N5/82
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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |