US2589313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating lithographic plates
Assignee: Harris Corp
•
Filing: 1944-06-21
•
Granted: 1952-03-18
•
Expires: 1964-06-21
Abstract
No abstract record available.
Inventors
- 👤 William H Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:16
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
IN THE TREATMENT OF LITHOGRAPHIC PRINTING PLATES, APPLYING TO THE IMAGE BEARING NETAL PLATEE A SOLUTION ESSENTIALLY OF A POLYSACCHARID CARBOXYETHER.
Claim 2
Dependent Claim
21 words
IN THE TREATMENT OF LITHOGRAPHIC PRINTING PLATES, APPLYING TO THE IMAGE BEARING NETAL PLATEE A SOLUTION ESSENTIALLY OF A POLYSACCHARID CARBOXYETHER.
References Cited (Backward Citations)
US2184310A
Cited
US2216736A
Cited
US2236545A
Cited
US2250516A
Cited
US2340072A
Cited
US2362761A
Cited
US2331245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |