Patent US3674481A successfully refreshed from Google Patents.
US3674481A
Expired / Lapsed
US
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Image receiving material for the silver salt diffusion process
Assignee: Agfa Gevaert AG
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Filing: 1970-05-27
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Granted: 1972-07-04
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Expires: 1990-05-27
Abstract
Abstract A LIGHT-INSENSITIVE IMAGE RECEIVING MATERIAL FOR THE SILVER SALT DIFFUSION PROCESS COMPRISING AN IMAGE RECEIVING LAYER WHICH CONTAINS A COMPOUND OF THE MERCAPTO TRIAZOLE SERIES.
Inventors
- 👤 Anita Von Konig
- 👤 Werner Liebe
- 👤 Helmut Timmler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:49
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/24; G03C8/243
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |