Patent US2634985A successfully refreshed from Google Patents.
US2634985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: ONSRUD MACHINE WORKS Inc
•
Filing: 1952-06-11
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Granted: 1953-04-14
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Expires: 1972-06-11
Abstract
No abstract record available.
Inventors
- 👤 Groen Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:17
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/117; B23B31/008; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280299A
Cited
US2345495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |