US3404980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver images in light-sensitive print-forming layers
Assignee: Eastman Kodak Co
•
Filing: 1962-12-13
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Granted: 1968-10-08
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Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul B Gilman
- 👤 Charles A Goffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:00
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/0285; G03C; G03C1/00; G03C1/705; G03C1/72; G03C5/00; G03C5/58; G03C8/00; G03C8/02; G03C8/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2698237A
Cited
US2882151A
Cited
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 |