Patent US2422221A successfully refreshed from Google Patents.
US2422221A
Expired / Lapsed
US
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Power-driven reciprocating cutter
Assignee: Individual
•
Filing: 1945-05-08
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Granted: 1947-06-17
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Expires: 1965-05-08
Abstract
No abstract record available.
Inventors
- 👤 Authnal L Candland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:18
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/12; B23D61/128; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D51/00; B23D51/08; B23D51/10; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8717; Y10T83/8821; Y10T83/8841; Y10T83/8843
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |