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US2859112A
Expired / Lapsed
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Quinoline-quinone-(3, 4) diazide plates
Assignee: Azoplate Corp
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Filing: 1955-01-27
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Granted: 1958-11-04
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Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Sus Oskar
- 👤 Glos Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:02
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
21 words
A PRESENSITIZED PRINTING PLATE COMPRISING A BASE MATERIAL COATED WITH A THIN UNIFORM LAYER OF A QUINOLINEQUINONE-(3,4)-DIAZIDE AS A LIGHT-SENSITIVE MATERIAL.
References Cited (Backward Citations)
US2065879A
Cited
GB467145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |