US2858703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven hand unit for rotary and reciprocating tools
Assignee: Individual
•
Filing: 1955-06-29
•
Granted: 1958-11-04
•
Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Willcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:53
CPC Classifications
B; B25; B25D; B25D11/00; B25D11/06; B25D11/12; B23; B23B; B23B45/00; B23B45/02; B23D; B23D67/00; Y; Y10; Y10T; Y10T408/00; Y10T408/34; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |