US2089899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power hacksaw
Assignee: Individual
•
Filing: 1936-06-22
•
Granted: 1937-08-10
•
Expires: 1956-06-22
Abstract
No abstract record available.
Inventors
- 👤 Alvin A Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:03
CPC Classifications
B; B23; B23D; B23D59/00; B23D59/04; B23D51/00; B23D51/16; B23D51/20; B23D59/006; Y; Y10; Y10T; Y10T83/00; Y10T83/263; Y10T83/869; Y10T83/8737; Y10T83/8773; Y10T83/8874; Y10T83/8876
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) | 1940-08-09 | 1941-02-08 | 1941-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-09 | 1945-02-08 | 1945-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-09 | 1949-02-08 | 1949-08-10 | $7700.00 | Window Closed / Lapsed |