Patent US3392020A successfully refreshed from Google Patents.
US3392020A
Expired / Lapsed
US
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Photo-thermographic process and element
Assignee: Eastman Kodak Co
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Filing: 1965-02-08
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Granted: 1968-07-09
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Henry C Yutzy
- 👤 Edward C Yackel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:26
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/48; G; G03; G03C; G03C1/00; G03C1/005; G03C1/46; G03C1/494; G03C1/498; G03C1/4989; G03C1/49881; G03C5/00; G03C5/16; G03C5/164
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |