US3305376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelatin hardening composition
Assignee: Eastman Kodak Co
•
Filing: 1963-07-22
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Granted: 1967-02-21
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Donald M Burness
- 👤 Stanley W Cowan
- 👤 Jr John A Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:37
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/30; G03C1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A COMPOSITION OF MATTER COMPRISING GELATIN AND A HARDENING AMOUNT OF COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE FOLLOWING: A. BISURETHANS HAVING THE STRUCTURE
Claim 2
Dependent Claim
25 words
A COMPOSITION OF MATTER COMPRISING GELATIN AND A HARDENING AMOUNT OF COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE FOLLOWING: A. BISURETHANS HAVING THE STRUCTURE
References Cited (Backward Citations)
US3038804A
Cited
US3106468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |