US3042523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic film having a polystyrene base
Assignee: Plastic Coating Corp
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Filing: 1959-07-13
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Granted: 1962-07-03
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jay J Uber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:27
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PHOTOGRAPHIC FILM COMPRISING A FLEXIBLE POLYSTYRENE BASE SHEET CARRYING ON ITS SURFACE AN ADHERENT LAYER COMPRISING GELATIN, NITROCELLULOSE HAVING A VISCOSITY CHARACTERISTIC NO HIGHER THAN 1840 CENTIPOISE AND A MATEIAL SELECTED FROM THE GROUP CONSISTING OF PHENOL, A CRESOL AND MIXTURES OF CRESOLS WHICH, IN TURN, CARRIES ON TIS SURFACE A LAYER OF A PHOTOGRAPHIC SILVER HALIDE EMULSION.
Claim 2
Dependent Claim
59 words
A PHOTOGRAPHIC FILM COMPRISING A FLEXIBLE POLYSTYRENE BASE SHEET CARRYING ON ITS SURFACE AN ADHERENT LAYER COMPRISING GELATIN, NITROCELLULOSE HAVING A VISCOSITY CHARACTERISTIC NO HIGHER THAN 1840 CENTIPOISE AND A MATEIAL SELECTED FROM THE GROUP CONSISTING OF PHENOL, A CRESOL AND MIXTURES OF CRESOLS WHICH, IN TURN, CARRIES ON TIS SURFACE A LAYER OF A PHOTOGRAPHIC SILVER HALIDE EMULSION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |