US3068098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic diffusion transfer process
Assignee: Eastman Kodak Co
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Filing: 1960-03-23
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Granted: 1962-12-11
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:38
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/24; G03C8/243; Y; Y10; Y10S; Y10S430/00; Y10S430/166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR PREPARING A PHOTOGRAPHIC IMAGE WHICH COMPRISES EXPOSING A PHOTOGRAPHIC SILVER HALIDE EMULSION LAYER TO A SUBJECT, DEVELOPING THE EMULSION LAYER, THEN TRANSFERRING THE SILVER HALIDE BY DIFFUSION FROM THE UNDEVELOPED AREAS OF THE EMULSION LAYER TO AN IMAGE-RECEIVING LAYER CONTAINING A SILVER PRECIPITATING AGENT, THE TRANSFER BEING EFFECTED IN CONTIGUITY WITH A SILVER HALIDE SOLVENT AND A COMPOUND HAVING A GENERAL FORMULA OF THE CLASS CONSISTING OF
Claim 2
Dependent Claim
70 words
A PROCESS FOR PREPARING A PHOTOGRAPHIC IMAGE WHICH COMPRISES EXPOSING A PHOTOGRAPHIC SILVER HALIDE EMULSION LAYER TO A SUBJECT, DEVELOPING THE EMULSION LAYER, THEN TRANSFERRING THE SILVER HALIDE BY DIFFUSION FROM THE UNDEVELOPED AREAS OF THE EMULSION LAYER TO AN IMAGE-RECEIVING LAYER CONTAINING A SILVER PRECIPITATING AGENT, THE TRANSFER BEING EFFECTED IN CONTIGUITY WITH A SILVER HALIDE SOLVENT AND A COMPOUND HAVING A GENERAL FORMULA OF THE CLASS CONSISTING OF
References Cited (Backward Citations)
US2699393A
Cited
GB783793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |