US3632375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate for dry planography and method of making same
Assignee: Warren SD Co
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Filing: 1969-11-14
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Granted: 1972-01-04
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Expires: 1989-11-14
Abstract
Abstract A negative acting presensitized plate for use in dry planography, said plate comprised of a flexible substrate having coated thereon a layer of silicone rubber which when cured will not accept printing ink, a layer of polymeric anchoring material overlying and adhered to the silicone rubber layer and a layer of photoresponsive image forming material coated over said anchoring material with the anchoring material serving to bond the photoresponsive image forming material to the silicone layer.
Inventors
- 👤 Harry Frank Gipe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:55
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/075; G03F7/0752; B; B41; B41N; B41N1/00; B41N1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
The method according to claim 1, wherein said polymeric anchoring material is applied to said silicone gum in the form of finely divided particles.
Claim 2
Dependent Claim
24 words
The method according to claim 1, wherein said polymeric anchoring material is applied to said silicone gum in the form of a thin film.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |