US2870013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hardening of gelatin with 2,3 dihydroxy dioxane
Assignee: Eastman Kodak Co
•
Filing: 1956-11-29
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Granted: 1959-01-20
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Expires: 1976-11-29
Abstract
No abstract record available.
Inventors
- 👤 Roy A Jeffreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:14
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
AN AQUEOUS GELATIN COMPOSITION COMPRISING A SOLUTION OF GELATIN IN WATER CONTAINING 2,3-DIHYDROXYDIOXAN.
Claim 2
Dependent Claim
13 words
AN AQUEOUS GELATIN COMPOSITION COMPRISING A SOLUTION OF GELATIN IN WATER CONTAINING 2,3-DIHYDROXYDIOXAN.
References Cited (Backward Citations)
GB675858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |