US2652328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed silver dye bleachout taking and printing film
Assignee: GAF Chemicals Corp
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Filing: 1952-07-09
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Granted: 1953-09-15
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Expires: 1972-07-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Sprung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:17
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
MULTTILAYER MATERIAL CAPABLE OF BEING PROCESSED BY THE SILVER DYE BLEACHOUT METHOD COMPRISING A BASE, A RED SENSITIVE HALIDE EMULSION LAYER ON THE BASE CONTAINING AS A COLOR FORMER FOR CYAN A COMPOUND SELECTED FROM THE CLASS CONSISTING OF THOSE OF THE FOLLOWING FORMULAE:
Claim 2
Dependent Claim
44 words
MULTTILAYER MATERIAL CAPABLE OF BEING PROCESSED BY THE SILVER DYE BLEACHOUT METHOD COMPRISING A BASE, A RED SENSITIVE HALIDE EMULSION LAYER ON THE BASE CONTAINING AS A COLOR FORMER FOR CYAN A COMPOUND SELECTED FROM THE CLASS CONSISTING OF THOSE OF THE FOLLOWING FORMULAE:
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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |