US3260604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic colloid transfer system
Assignee: Eastman Kodak Co
•
Filing: 1963-11-19
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Granted: 1966-07-12
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Norman W Kalenda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:37
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/315; G03C1/00; G03C1/005; G03C1/06; G03C1/36; G03C1/42; G03C5/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A SUBSTANTIALLY UNHARDENED METHYLENE BLUE DESENSITIZED GALATINO-SILVER HALIDE EMULSION CONTAINING A GELATIN TANNING SILVER HALIDE DEVELOPER AND 5-(3,4-DIMETHOXYPHENYL)TETRAZOLE.
Claim 2
Dependent Claim
18 words
A SUBSTANTIALLY UNHARDENED METHYLENE BLUE DESENSITIZED GALATINO-SILVER HALIDE EMULSION CONTAINING A GELATIN TANNING SILVER HALIDE DEVELOPER AND 5-(3,4-DIMETHOXYPHENYL)TETRAZOLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |