Patent US3157117A successfully refreshed from Google Patents.
US3157117A
Expired / Lapsed
US
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Lithographic plates and method for manufacture
Assignee: AB Dick Co
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Filing: 1957-10-31
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Granted: 1964-11-17
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Expires: 1977-10-31
Abstract
No abstract record available.
Inventors
- 👤 Earl B Relph
- 👤 Henry A Dahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:31
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/03; B41N3/036; B41C; B41C1/00; B41C1/10; B41C1/1091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PLANOGRAPHIC PRINTING PLATE, COMPRISING A BASE SHEET AND A COATING ON THE SURFACE OF THE BASE SHEET FORMED OF A WATER-INSOLUBLE, HYDROPHOBIC, ALKYD RESIN AND A FINELY DIVIDED ZINC OXIDE PRESENT IN THE RATIO OF 1-8 PARTS BY WEIGHT OF ZINC OXIDE TO 1 PART BY WEIGHT OF THE ALKYD RESIN, AND MEANS ON THE PLATE CLAMPING ONTO A PLATE CYLINDER.
Claim 2
Dependent Claim
62 words
A PLANOGRAPHIC PRINTING PLATE, COMPRISING A BASE SHEET AND A COATING ON THE SURFACE OF THE BASE SHEET FORMED OF A WATER-INSOLUBLE, HYDROPHOBIC, ALKYD RESIN AND A FINELY DIVIDED ZINC OXIDE PRESENT IN THE RATIO OF 1-8 PARTS BY WEIGHT OF ZINC OXIDE TO 1 PART BY WEIGHT OF THE ALKYD RESIN, AND MEANS ON THE PLATE CLAMPING ONTO A PLATE CYLINDER.
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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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |