Patent US2983611A successfully refreshed from Google Patents.
US2983611A
Expired / Lapsed
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Gelatin compositions containing hardeners
Assignee: Eastman Kodak Co
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Filing: 1957-09-16
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Granted: 1961-05-09
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Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Charles F H Allen
- 👤 Donald M Burness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:25
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30; G03C1/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A COMPOSITION OF MATTER COMPRISING AN AQUEOUS SOLUTION OF GELATIN CONTAINING THEREIN A SMALL PROPORTION OF AN AZIRIDINYL AZINE SELECTED FROM THE CLASS CONSISTING OF THOSE OF THE FOLLOWING FORMULAS:
Claim 2
Dependent Claim
30 words
A COMPOSITION OF MATTER COMPRISING AN AQUEOUS SOLUTION OF GELATIN CONTAINING THEREIN A SMALL PROPORTION OF AN AZIRIDINYL AZINE SELECTED FROM THE CLASS CONSISTING OF THOSE OF THE FOLLOWING FORMULAS:
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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |