US2451931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consecutive ruling machine
Assignee: Individual
•
Filing: 1944-07-27
•
Granted: 1948-10-19
•
Expires: 1964-07-27
Abstract
No abstract record available.
Inventors
- 👤 Edelmann Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:46
CPC Classifications
B; B41; B41G; B41G3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US977829A
Cited
FR392379A
Cited
US927468A
Cited
US932676A
Cited
US1276060A
Cited
US1331966A
Cited
US1852310A
Cited
GB264750A
Cited
US1761863A
Cited
US2031221A
Cited
US2034529A
Cited
US2190947A
Cited
US2252535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |