US1971790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power tool
Assignee: Individual
•
Filing: 1932-06-22
•
Granted: 1934-08-28
•
Expires: 1952-06-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Mall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:29
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; B23Q1/0036; B24; B24B; B24B23/00; B24B23/02; B24B23/028; B24B55/00; B24B55/02; Y; Y10; Y10S; Y10S29/00; Y10S29/068; Y10S29/088; Y10S29/09; Y10T; Y10T279/00; Y10T279/17; Y10T279/17931
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1937-08-27 | 1938-02-26 | 1938-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-27 | 1942-02-26 | 1942-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-27 | 1946-02-26 | 1946-08-28 | $7700.00 | Window Closed / Lapsed |