US3723159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of a photographic element
Assignee: Fujifilm Holdings Corp
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Filing: 1971-01-14
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Granted: 1973-03-27
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Expires: 1991-01-14
Abstract
Abstract A METHOD FOR THE PRODUCTION OF A PHOTOGRAPHIC ELEMENT WHICH COMPRISES OZONE-OXIDIZING A ROUGHENED, BIAXIALLY STRETCHED POLYSTYRENE FILM AND APPLYING THEREON A SUSPENSION CONTAINING AS THE BINDER, AND PHOTOGRAPHIC ELEMENT THUS FORMED.
Inventors
- 👤 S Tatsuta
- 👤 W Ueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:50
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; G; G03; G03C; G03C1/00; G03C1/76; G03C1/795; G03C1/91; G03C8/00; G03C8/24; G03C8/26; G03C8/28; C08J2325/00; C08J2325/02; C08J2325/04; C08J2325/06; Y; Y10; Y10S; Y10S430/00; Y10S430/155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |