US2763572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making waterproof paper
Assignee: Eastman Kodak Co
•
Filing: 1954-03-29
•
Granted: 1956-09-18
•
Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Henry C Staehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:54
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; Y; Y10; Y10S; Y10S430/00; Y10S430/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A METHOD FOR COATING THE BACK OF PHOTOGRAPHIC PAPER, COMPRISING LAMINATING THE BACK OF THE PAPER TO A BARYTA COATED PAPER SURFACE BY MEANS OF AN AQUEOUS DISPERSION OF AN INTERPOLYMERIC COMPOSITION COMPRISING N-
Claim 2
Independent Claim
34 words
A METHOD FOR COATING THE BACK OF PHOTOGRAPHIC PAPER, COMPRISING LAMINATING THE BACK OF THE PAPER TO A BARYTA COATED PAPER SURFACE BY MEANS OF AN AQUEOUS DISPERSION OF AN INTERPOLYMERIC COMPOSITION COMPRISING N-
References Cited (Backward Citations)
US2322888A
Cited
US2517698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |