Patent US2769990A successfully refreshed from Google Patents.
US2769990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wedge nut forging machine
Assignee: Individual
•
Filing: 1953-06-15
•
Granted: 1956-11-13
•
Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Ruben L Pawsat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:57
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US612489A
Cited
US752104A
Cited
US987381A
Cited
US1037277A
Cited
US1795518A
Cited
CH159904A
Cited
US2202044A
Cited
US2314574A
Cited
US2596734A
Cited
US2616314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |