US3062674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic product having layer containing bisepoxy ether crosslinked ethyl acrylate-acrylic acid copolymer
Assignee: Eastman Kodak Co
•
Filing: 1959-01-12
•
Granted: 1962-11-06
•
Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Robert C Houck
- 👤 Donald A Smith
- 👤 Joseph S Yudelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:44
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053; G03C1/76; G03C1/91; G03C1/93
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PHOTOGRAPHIC PRODUCT COMPRISING A SUPPORT SHEET HAVING THEREON A LAYER COMPOSED OF A POLYMER-GALATIN MIXTURE OF WHICH AT LEAST 40% IS ETHYL ACRYLATE-ACRYLIC ACID COPOLYMER OF WHICH COPOLYMER THE ACRYLIC ACID COMPONENT COMPRISES APPROXIMATELY 25 MOL PERCENT, SUB-
Claim 2
Dependent Claim
39 words
A PHOTOGRAPHIC PRODUCT COMPRISING A SUPPORT SHEET HAVING THEREON A LAYER COMPOSED OF A POLYMER-GALATIN MIXTURE OF WHICH AT LEAST 40% IS ETHYL ACRYLATE-ACRYLIC ACID COPOLYMER OF WHICH COPOLYMER THE ACRYLIC ACID COMPONENT COMPRISES APPROXIMATELY 25 MOL PERCENT, SUB-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |