Patent US1012434A successfully refreshed from Google Patents.
Patent US3137165A successfully refreshed from Google Patents.
Patent US2504080A successfully refreshed from Google Patents.
US2504080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing flat printing plates
Assignee: MONOMELT Co Inc
•
Filing: 1948-04-21
•
Granted: 1950-04-11
•
Expires: 1968-04-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert R Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:02
CPC Classifications
B; B41; B41C; B41C3/00; B41C3/02; B41D; B41D3/00; B41D3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US696686A
Cited
US915021A
Cited
US1009390A
Cited
US1905048A
Cited
US1896690A
Cited
US1991539A
Cited
US2182114A
Cited
US2203679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |