Patent US7274906B1 successfully refreshed from Google Patents.
US3364031A
Expired / Lapsed
US
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Supersensitized photographic silver halide emulsions
Assignee: Eastman Kodak Co
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Filing: —
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Granted: 1968-01-16
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Expires: 1985-01-16
Abstract
No abstract record available.
Inventors
- 👤 Jean E Jones
- 👤 Norman W Kalenda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:50
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; C; C09; C09B; C09B23/00; C09B23/02; C09B23/06; C09B23/10; C09B23/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A SUPERSENSITIZING COMBINATION OF (1) AT LEAST ONE BENZIMIDAZOLOCARBOCYANINE DYE HAVING THE FORMULA:
Claim 2
Dependent Claim
19 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A SUPERSENSITIZING COMBINATION OF (1) AT LEAST ONE BENZIMIDAZOLOCARBOCYANINE DYE HAVING THE FORMULA:
References Cited (Backward Citations)
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US2166938A
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US2778823A
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US2973264A
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US3243298A
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US3173791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |