US2544905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making photographic relief images
Assignee: Eastman Kodak Co
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Filing: 1948-10-23
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Granted: 1951-03-13
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Expires: 1968-10-23
Abstract
No abstract record available.
Inventors
- 👤 Werter P Van Deusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE METHOD OF MAKING A PHOTOGRAPHIC RELIEF IMAGE WHICH COMPRISES COATING A SUPPORT WITH A LAYER OF A MIXTURE OF A POLYMERIC MATERIAL SELECTED FROM A GROUP CONSISTING OF CELLULOSE ETHYL ETHER AND ACRYLATE RESINS, AND A LIGHT-SENSITIVE ALKETONE COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Independent Claim
44 words
THE METHOD OF MAKING A PHOTOGRAPHIC RELIEF IMAGE WHICH COMPRISES COATING A SUPPORT WITH A LAYER OF A MIXTURE OF A POLYMERIC MATERIAL SELECTED FROM A GROUP CONSISTING OF CELLULOSE ETHYL ETHER AND ACRYLATE RESINS, AND A LIGHT-SENSITIVE ALKETONE COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |