Patent US3326689A successfully refreshed from Google Patents.
US3326689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic direct-print silver halide emulsions
Assignee: Eastman Kodak Co
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Filing: 1964-01-20
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Granted: 1967-06-20
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Delbert D Fix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:04
CPC Classifications
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Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
16 words
A LIGHT-SEVELOPABLE, DIRECT-PRINT, RADIATION-SENSITIVE HYDROHPLIC COLLOID-SILVER HALIDE EMULSION CONTAINING A THIOSEMICARBAZONE HALOGEN ACCEPTOR HAVING THE FORMULA
Claim 2
Dependent Claim
16 words
A LIGHT-SEVELOPABLE, DIRECT-PRINT, RADIATION-SENSITIVE HYDROHPLIC COLLOID-SILVER HALIDE EMULSION CONTAINING A THIOSEMICARBAZONE HALOGEN ACCEPTOR HAVING THE FORMULA
Claim 3
Dependent Claim
16 words
A LIGHT-DEVELOPABLE, DIRECT-PRINT, RADIATION-SENSITIVE HYDROPHILIC COLLOID-SILVER HALIDE EMULSION CONTAINING A THIOSEMICARBAZONE HALOGEN ACCEPTOR HAVING THE FORMULA
Claim 4
Dependent Claim
16 words
A LIGHT-DEVELOPABLE, DIRECT-PRINT, RADIATION-SENSITIVE HYDROPHILIC COLLOID-SILVER HALIDE EMULSION CONTAINING A THIOSEMICARBAZONE HALOGEN ACCEPTOR HAVING THE FORMULA
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |