US2180079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible sawing and abrading machine
Assignee: Continental Machines Inc
•
Filing: 1938-01-07
•
Granted: 1939-11-14
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Expires: 1958-01-07
Abstract
No abstract record available.
Inventors
- 👤 Leighton A Wilkie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:31
CPC Classifications
B; B23; B23D; B23D63/00; B23D63/18; B23D53/00; B23D55/00; B23D55/06; B23D55/08; B23D55/082; B23D57/00; B23D57/0076; B24; B24B; B24B25/00; Y; Y10; Y10T; Y10T29/00; Y10T29/44; Y10T29/444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-11-13 | 1943-05-15 | 1943-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-13 | 1947-05-15 | 1947-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-13 | 1951-05-15 | 1951-11-14 | $7700.00 | Window Closed / Lapsed |