Patent US3547642A successfully refreshed from Google Patents.
US3547642A
Expired / Lapsed
US
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Photographic layers containing gelatin and methylol polyvinyl urethane
Assignee: Fujifilm Holdings Corp
•
Filing: 1966-06-03
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Granted: 1970-12-15
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Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Fumihiko Nishio
- 👤 Kinji Ohkubo
- 👤 Tsutomu Ikeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:12
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/81; G03C1/005; G03C1/04; G03C8/00; G03C8/24; G03C8/26; G03C8/28; Y; Y10; Y10S; Y10S430/00; Y10S430/14; Y10S430/156; Y10S430/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2514689A
Cited
US2691604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |