US3190197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective colloidal silica lacquer for developed photographic prints
Assignee: Eastman Kodak Co
•
Filing: 1960-08-11
•
Granted: 1965-06-22
•
Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Pinder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:26
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/08; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
A PHOTOGRAPHIC PRINT HAVING A PROTECTIVE COATING THEREON COMPRISING A VINYL ACETATE-VINYL CHLORIDE COPOLYMER CONTAININNG AT LEAST 70% BY WEIGHT VINYL CHLORIDE AND HAVING A MOLECULAR WEIGHT OF 10,000-250,000, 1-4% BASED ON THE WEIGHT OF THE COPOLYMER OF COLLOIDAL SILICA, THE PARTICLES OF WHICH HAVE AN AVERAGE DIAMETER OF 0.010.03 MICRON, AND 0-3%, BASED ON THE WEIGHT OF THE COPOLYMER, OF A COMPATIBLE ULTRAVIOLET ABSORBER.
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US2322037A
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US2719791A
Cited
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Cited
US2935422A
Cited
FR1183396A
Cited
US3046128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |