Patent US4742389A successfully refreshed from Google Patents.
Patent US1979001A successfully refreshed from Google Patents.
US1979001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sawing machine
Assignee: —
•
Filing: —
•
Granted: 1934-10-30
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Expires: 1951-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:13
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/02; B27B17/0041; B27B17/005; B27B33/00; B27B33/14; B27B33/142; B27B33/145; B27B33/148; Y; Y10; Y10T; Y10T83/00; Y10T83/909; Y10T83/913
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) | 1937-10-29 | 1938-04-30 | 1938-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-29 | 1942-04-30 | 1942-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-29 | 1946-04-30 | 1946-10-30 | $7700.00 | Window Closed / Lapsed |