US3531314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of polymer surfaces for coating with photographic layers
Assignee: Eastman Kodak Co
•
Filing: 1968-05-13
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Granted: 1970-09-29
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Expires: 1988-05-13
Abstract
No abstract record available.
Inventors
- 👤 William C Kerr
- 👤 Thomas G Hanley
- 👤 Charles R Witmer Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:54
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/775; G03C1/79; B; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/88; B29C48/911; B29C48/9135; B29C48/914; B29C48/915; B29C48/9165; B29C59/00; B29C59/10; G03C1/91; G03C1/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2935418A
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US2864756A
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US2802085A
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US2864755A
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US2969463A
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US2939956A
Cited
US3369982A
Cited
US3411908A
Cited
US3376208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |