US2141971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electric drill and the like
Assignee: Individual
•
Filing: 1937-04-29
•
Granted: 1938-12-27
•
Expires: 1957-04-29
Abstract
No abstract record available.
Inventors
- 👤 Desoutter Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:34
CPC Classifications
B; B23; B23B; B23B45/00; B23B45/02; B23B45/008; H; H01; H01H; H01H21/00; H01H21/02; H01H21/04; H01H21/10
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) | 1941-12-26 | 1942-06-27 | 1942-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-26 | 1946-06-27 | 1946-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-26 | 1950-06-27 | 1950-12-27 | $7700.00 | Window Closed / Lapsed |