US2596754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photomechanical copy method
Assignee: Eastman Kodak Co
•
Filing: 1947-11-04
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Granted: 1952-05-13
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Expires: 1967-11-04
Abstract
No abstract record available.
Inventors
- 👤 Edward C Yackel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:23
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/12; G03C5/00; G03C5/26; G03C5/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF PHOTOGRAPHIC REPRODUCTION WHICH COMPRISES EXPOSING A SUBSTANTIALLY UNHARDENED LIGHT-SENSITIVE GELATINO-SILVER HALIDE EMULSION LAYER TO A SUBJECT, SAID LAYER BEING NOT HARDER THAN A GELATIN LAYER CONTAINING 0.7 GRAM OF FORMALDEHYDE PER POUND OF GELATIN FRESHLY COATED, DEVELOPING IN SAID EMULSION LAYER IN SUBSTANTIALLY UNHARDENED GELATIN VEHICLE AN IMAGE CORRESPONDING TO SAID SUBJECT PRESSING AN ABSORBENT SUPPORT AGAINST SAID LAYER WHILE SAID LAYER IS MOIST TO CAUSE SAID LAYER TO ADHERE TO THE SUPPORT AND WITHOUT DRYING SEPARATING SAID SUPPORT AND LAYER TO TRANSFER A CONTINUOUS STRATUM OF THE ENTIRE LAYER TO SAID SUPPORT.
Claim 2
Independent Claim
96 words
A METHOD OF PHOTOGRAPHIC REPRODUCTION WHICH COMPRISES EXPOSING A SUBSTANTIALLY UNHARDENED LIGHT-SENSITIVE GELATINO-SILVER HALIDE EMULSION LAYER TO A SUBJECT, SAID LAYER BEING NOT HARDER THAN A GELATIN LAYER CONTAINING 0.7 GRAM OF FORMALDEHYDE PER POUND OF GELATIN FRESHLY COATED, DEVELOPING IN SAID EMULSION LAYER IN SUBSTANTIALLY UNHARDENED GELATIN VEHICLE AN IMAGE CORRESPONDING TO SAID SUBJECT PRESSING AN ABSORBENT SUPPORT AGAINST SAID LAYER WHILE SAID LAYER IS MOIST TO CAUSE SAID LAYER TO ADHERE TO THE SUPPORT AND WITHOUT DRYING SEPARATING SAID SUPPORT AND LAYER TO TRANSFER A CONTINUOUS STRATUM OF THE ENTIRE LAYER TO SAID SUPPORT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |