Patent US2951441A successfully refreshed from Google Patents.
US2951441A
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US
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Lithographic printing plates and coatings therefor
Assignee: Timefax Corp
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Filing: 1956-01-16
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Granted: 1960-09-06
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Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Wolf Murray
- 👤 Harold R Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:23
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1008; B41C1/1033; B41N; B41N1/00; B41N1/12; B41N1/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31765; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
AN ELECTRO-RESPONSIVE PLANOGRAPHIC PRINTING PLATE, COMPRISING A FLEXIBLE BACKING OF A NON-CONDUCTIVE MATERIAL HAVING AN EXPOSED LITHOGRAPHIC SURFACE COATING CONTAINING HYDROLYZED ACRYLONITRILE POLYMER, AND AN INTERMEDIATE ELECTRICALLY CONDUCTIVE COAT.
Claim 2
Dependent Claim
29 words
AN ELECTRO-RESPONSIVE PLANOGRAPHIC PRINTING PLATE, COMPRISING A FLEXIBLE BACKING OF A NON-CONDUCTIVE MATERIAL HAVING AN EXPOSED LITHOGRAPHIC SURFACE COATING CONTAINING HYDROLYZED ACRYLONITRILE POLYMER, AND AN INTERMEDIATE ELECTRICALLY CONDUCTIVE COAT.
References Cited (Backward Citations)
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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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |