US3165409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of certain highly branched chain acids as coating aids
Assignee: Eastman Kodak Co
•
Filing: 1962-02-07
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Granted: 1965-01-12
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Knox
- 👤 Robert E Sticker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:31
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
14 words
A GELATIN-SILVER HALIDE PHOTOGRAPHIC EMULSION CONTAINING A COATING AID CORRESPONDING TO THE FOLLOWING FORMULA:
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |