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US3425836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic emulsions
Assignee: Eastman Kodak Co
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Filing: 1965-04-15
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Granted: 1969-02-04
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Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Perry
- 👤 Delbert D Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:07
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/04; G03C8/06; C; C08; C08F; C08F8/00; C08F8/30; C08F8/44; G03C1/00; G03C1/005; G03C1/04; G03C1/053; G03C8/24; G03C8/26; G03C8/28; C08F2800/00; C08F2800/10; Y; Y10; Y10S; Y10S526/00; Y10S526/923
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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |