Patent US3712818A successfully refreshed from Google Patents.
US3712818A
Expired / Lapsed
US
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Photographic stabilising or fixing bath
Assignee: Agfa Gevaert AG
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Filing: 1969-06-25
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Granted: 1973-01-23
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Expires: 1989-06-25
Abstract
Abstract IN THE PRODUCTION OF PHOTOGRAPHIC IMAGES BY THE EXPOSURE AND DEVELOPMENT OF SILVER HALIDE EMULSIONS THE STABILISATION OR FIXING THE EXPOSED AND DEVELOPED EMULSION BY A BATH CONTAINING A MERCAPTOTRIAZINE STABILISER.
Inventors
- 👤 F Nittel
- 👤 H Ohlschlager
- 👤 K Schranz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:03
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/38
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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |