US2963913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power take-off for electric hand drills
Assignee: Individual
•
Filing: 1959-06-01
•
Granted: 1960-12-13
•
Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 Wensloff Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:25
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/02; F16C1/08; B; B23; B23B; B23B45/00; B23B45/003; B23B45/005; B23B45/008; Y; Y10; Y10T; Y10T408/00; Y10T408/31; Y10T408/34; Y10T408/352; Y10T74/00; Y10T74/19; Y10T74/19019; Y10T74/19642; Y10T74/19679; Y10T74/19684
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2632635A
Cited
US2779445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |