US2516079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensioning device for hacksaw blades
Assignee: Millers Falls Co
•
Filing: 1946-05-18
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Granted: 1950-07-18
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Expires: 1966-05-18
Abstract
No abstract record available.
Inventors
- 👤 William H Shortell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:49
CPC Classifications
B; B23; B23D; B23D51/00; B23D51/08; B23D51/12; B23D51/125; Y; Y10; Y10T; Y10T83/00; Y10T83/849; Y10T83/852; Y10T83/929; Y10T83/937; Y10T83/9454
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |