Patent US2673154A successfully refreshed from Google Patents.
US2673154A
Expired / Lapsed
US
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Post processing curl control for photographic prints
Assignee: Eastman Kodak Co
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Filing: 1953-01-26
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Granted: 1954-03-23
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Expires: 1973-01-26
Abstract
No abstract record available.
Inventors
- 👤 Glen G Gray
- 👤 Perry R Trout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:31
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/81; G03C11/00; G03C11/16; Y; Y10; Y10S; Y10S430/00; Y10S430/131
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR TREATING PHOTOGRAPHIC PAPER CARRYING A GELATIN LAYER TO ELIMINATE POST PROCESSING CURL, COMPRISING IMPREGNATING THE GELATIN LAYER WITH A LONG CHAIN NON-HYDROSCOPIC ORGANIC ETHER HAVING A CHEMICAL COMPOSITION
Claim 2
Dependent Claim
31 words
A PROCESS FOR TREATING PHOTOGRAPHIC PAPER CARRYING A GELATIN LAYER TO ELIMINATE POST PROCESSING CURL, COMPRISING IMPREGNATING THE GELATIN LAYER WITH A LONG CHAIN NON-HYDROSCOPIC ORGANIC ETHER HAVING A CHEMICAL COMPOSITION
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |