US2542784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing plate and method of preparing the same
Assignee: AB Dick Co
•
Filing: 1945-09-21
•
Granted: 1951-02-20
•
Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Van Dusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:59
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1091; B41N; B41N3/00; B41N3/03; B41N3/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A FOUNDATION, AND A FILM ON THE SURFACE OF SAID FOUNDATION CONTAINING A CARBOXYMETHYL CELLULOSE COMPOUND AS THE ESSENTIAL FILM-FORMING COMPONENT THEREOF, SAID FILM BEING GREASE-AND-WATERRECEPTIVE WHEN DRY AND GREASE-REPELLENT WHEN WET, AND AN INK-RECEPTIVE WATER-REPELLENT IMAGE ON THE SURFACE OF SAID COATING.
Claim 2
Dependent Claim
48 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A FOUNDATION, AND A FILM ON THE SURFACE OF SAID FOUNDATION CONTAINING A CARBOXYMETHYL CELLULOSE COMPOUND AS THE ESSENTIAL FILM-FORMING COMPONENT THEREOF, SAID FILM BEING GREASE-AND-WATERRECEPTIVE WHEN DRY AND GREASE-REPELLENT WHEN WET, AND AN INK-RECEPTIVE WATER-REPELLENT IMAGE ON THE SURFACE OF SAID COATING.
References Cited (Backward Citations)
US2184310A
Cited
US2236545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |