Patent US1963492A successfully refreshed from Google Patents.
Patent US1892099A successfully refreshed from Google Patents.
US1892099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modifying photographic images
Assignee: FORBES LITHOGRAPH Manufacturing CO
•
Filing: 1931-03-03
•
Granted: 1932-12-27
•
Expires: 1951-03-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:13
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/006
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) | 1935-12-27 | 1936-06-27 | 1936-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-27 | 1940-06-27 | 1940-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-27 | 1944-06-27 | 1944-12-27 | $7700.00 | Window Closed / Lapsed |