US2992101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suppression of newton's rings in printing color films
Assignee: Eastman Kodak Co
•
Filing: 1957-02-18
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Granted: 1961-07-11
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Expires: 1977-02-18
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Jelley
- 👤 Scheuring S Fierke
- 👤 James H Shepler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/95; Y; Y10; Y10S; Y10S430/00; Y10S430/151
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A MULTILAYER PHOTOGRAPHIC COLOR FILM WHICH COMPRISES A SUPPORT HAVING SUPERPOSED THEREON SILVER HALIDE EMULSION LAYERS SENSITIZED TO DIFFERENT REGIONS OF THE SPECTRUM AND ADHERED TO THE OUTERMOST SURFACE OF ONE OF SAID SUPPORT AND OUTERMOST EMULSION LAYER A LIGHT-INSENSITIVE GELATIN LAYER FREE OF COLOR COUPLERS CONTAINING SPHERICAL
Claim 2
Dependent Claim
48 words
A MULTILAYER PHOTOGRAPHIC COLOR FILM WHICH COMPRISES A SUPPORT HAVING SUPERPOSED THEREON SILVER HALIDE EMULSION LAYERS SENSITIZED TO DIFFERENT REGIONS OF THE SPECTRUM AND ADHERED TO THE OUTERMOST SURFACE OF ONE OF SAID SUPPORT AND OUTERMOST EMULSION LAYER A LIGHT-INSENSITIVE GELATIN LAYER FREE OF COLOR COUPLERS CONTAINING SPHERICAL
References Cited (Backward Citations)
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US2422008A
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GB575512A
Cited
US2391181A
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US2400366A
Cited
US2518695A
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US2698794A
Cited
US2698795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |