Patent US2393875A successfully refreshed from Google Patents.
US2393875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of etching and dampening planographic printing plates and repellent solution t herefor
Assignee: AB Dick Co
•
Filing: 1944-05-29
•
Granted: 1946-01-29
•
Expires: 1964-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Van Dusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:07
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08; C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-01-28 | 1949-07-30 | 1950-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-28 | 1953-07-30 | 1954-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-28 | 1957-07-30 | 1958-01-29 | $7700.00 | Window Closed / Lapsed |