Patent US4010453A successfully refreshed from Google Patents.
Patent US2375490A successfully refreshed from Google Patents.
US2375490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary power tool
Assignee: Individual
•
Filing: 1942-05-20
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Granted: 1945-05-08
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Expires: 1962-05-20
Abstract
No abstract record available.
Inventors
- 👤 Charles F Overly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:26
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/02; B24B23/026; F; F16; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8049; Y10T137/8085; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021
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) | 1948-05-07 | 1948-11-06 | 1949-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-07 | 1952-11-06 | 1953-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-07 | 1956-11-06 | 1957-05-08 | $7700.00 | Window Closed / Lapsed |