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 14:27
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US612489A
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US752104A
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US987381A
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US1037277A
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US1795518A
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CH159904A
Cited
US2202044A
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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 |