US2696435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithographic material and process
Assignee: Azoplate Corp
•
Filing: 1952-03-05
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Granted: 1954-12-07
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Expires: 1972-03-05
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Tomanck Martha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/02; G03F; G03F7/00; G03F7/004; G03F7/0045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
LIGHT SENSITIVE MATERIAL SUITABLE FOR MAKING PRINTING PLATES COMPRISING A FLEXIBLE SHEET METAL BASE COATED WITH A THIN, FIRM AND UNIFORM LAYER OF AN UNSATURATED SULFONE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
30 words
LIGHT SENSITIVE MATERIAL SUITABLE FOR MAKING PRINTING PLATES COMPRISING A FLEXIBLE SHEET METAL BASE COATED WITH A THIN, FIRM AND UNIFORM LAYER OF AN UNSATURATED SULFONE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2257969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |