Patent US1849544A successfully refreshed from Google Patents.
US1849544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for producing printing plates
Assignee: Individual
•
Filing: 1930-01-31
•
Granted: 1932-03-15
•
Expires: 1950-01-31
Abstract
No abstract record available.
Inventors
- 👤 Howey Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:53
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/52; B; B41; B41C; B41C1/00; B41C1/02; B41C1/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T409/30112; Y10T409/50; Y10T409/500164; Y10T409/500328; Y10T409/500492
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) | 1935-03-15 | 1935-09-14 | 1936-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-15 | 1939-09-14 | 1940-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-15 | 1943-09-14 | 1944-03-15 | $7700.00 | Window Closed / Lapsed |