US1773408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating tool for working in earth, rock, metal, wood, and the like
Assignee: Individual
•
Filing: 1925-12-17
•
Granted: 1930-08-19
•
Expires: 1945-12-17
Abstract
No abstract record available.
Inventors
- 👤 Rolfsen Ole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:40
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/18; B28D1/181
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) | 1933-08-18 | 1934-02-17 | 1934-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-18 | 1938-02-17 | 1938-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-18 | 1942-02-17 | 1942-08-19 | $7700.00 | Window Closed / Lapsed |