Patent US2773767A successfully refreshed from Google Patents.
US2773767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive material
Assignee: Azoplate Corp
•
Filing: 1952-04-14
•
Granted: 1956-12-11
•
Expires: 1972-04-14
Abstract
No abstract record available.
Inventors
- 👤 Tomanek Martha
- 👤 Neugebauer Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:20
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/0045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PRESENSITIZED LITHOGRAPHIC PRINTING PLATE FOR USE IN THE GRAPHIC ARTS, COMPRISING A SHEET METAL BASE SUPPORT MATERIAL COATED WITH A THIN UNIFORM AND CONTINUOUS LAYER ADHERING TO SAID SUPPORT, SAID LAYER COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING ONE OF THE FOLLOWING GENERAL FORMULAE:
Claim 2
Dependent Claim
49 words
A PRESENSITIZED LITHOGRAPHIC PRINTING PLATE FOR USE IN THE GRAPHIC ARTS, COMPRISING A SHEET METAL BASE SUPPORT MATERIAL COATED WITH A THIN UNIFORM AND CONTINUOUS LAYER ADHERING TO SAID SUPPORT, SAID LAYER COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING ONE OF THE FOLLOWING GENERAL FORMULAE:
References Cited (Backward Citations)
US2073313A
Cited
US2169003A
Cited
US2336299A
Cited
US2359040A
Cited
US2448861A
Cited
US2610120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |