US2652327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic color reproduction process
Assignee: Eastman Kodak Co
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Filing: 1951-07-19
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Granted: 1953-09-15
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Expires: 1971-07-19
Abstract
No abstract record available.
Inventors
- 👤 Louis M Condax
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:56
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
THE METHOD OF MAKING A COLOR AND TONECORRECTED PHOTOGRAPHIC PRINT BY MEANS OF THREE DYED COLOR SEPARATION RELIEFS, WHOSE DYE IMAGES ARE SUPERIMPOSED TO GIVE A PRINT, AT LEAST ONE OF WHICH DYE IMAGES HAS BOTH WANTED AND UNWANTED SPECTRAL OBSORPTION, WHICH COMPRISES A CORRECTING FOR THE UNWANTED LIGHT ABSORPTION OF ONE OF SAID DYE IMAGES HAVING WANTED AND UNWANTED SPECTRAL ABSORPTION AND AT THE SAME TIME CORRECTING FOR UNWANTED HIGHLIGHT DENSITY OF ANOTHER OF SAID DYE IMAGES, BY REMOVING DYE FROM THE DYED RELIEF WHICH RECORDS THE COLOR WHICH IS UNWANTEDLY ABSORBED, BY BRINGING IT INTO CONTACT AND IN REGISTER WITH AN UNDYED RELIEF CONTAINING THE AREAS OF UNWANTED ABSORPTION, THE HIGHLIGHT DENSITY AREAS OF WHICH HAVE BEEN INCREASED BY UNIFORM LIGHT EXPOSURE, AND THEN COMBINING THE CORRECTED RELIEF THUS OBTAINED, WITH THE REMAINDER OF SAID THREE COLOR SEPARATION RELIEFS TO PRODUCE A COLOR PICTURE.
Claim 2
Independent Claim
146 words
THE METHOD OF MAKING A COLOR AND TONECORRECTED PHOTOGRAPHIC PRINT BY MEANS OF THREE DYED COLOR SEPARATION RELIEFS, WHOSE DYE IMAGES ARE SUPERIMPOSED TO GIVE A PRINT, AT LEAST ONE OF WHICH DYE IMAGES HAS BOTH WANTED AND UNWANTED SPECTRAL OBSORPTION, WHICH COMPRISES A CORRECTING FOR THE UNWANTED LIGHT ABSORPTION OF ONE OF SAID DYE IMAGES HAVING WANTED AND UNWANTED SPECTRAL ABSORPTION AND AT THE SAME TIME CORRECTING FOR UNWANTED HIGHLIGHT DENSITY OF ANOTHER OF SAID DYE IMAGES, BY REMOVING DYE FROM THE DYED RELIEF WHICH RECORDS THE COLOR WHICH IS UNWANTEDLY ABSORBED, BY BRINGING IT INTO CONTACT AND IN REGISTER WITH AN UNDYED RELIEF CONTAINING THE AREAS OF UNWANTED ABSORPTION, THE HIGHLIGHT DENSITY AREAS OF WHICH HAVE BEEN INCREASED BY UNIFORM LIGHT EXPOSURE, AND THEN COMBINING THE CORRECTED RELIEF THUS OBTAINED, WITH THE REMAINDER OF SAID THREE COLOR SEPARATION RELIEFS TO PRODUCE A COLOR PICTURE.
References Cited (Backward Citations)
US2544905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |