US2462741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary abrading tool
Assignee: Individual
•
Filing: 1946-03-06
•
Granted: 1949-02-22
•
Expires: 1966-03-06
Abstract
No abstract record available.
Inventors
- 👤 Elisha W Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:14
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/20; B24D13/02; B24D13/04; B24D13/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US269688A
Cited
USRE19894E
Cited
US872966A
Cited
US968431A
Cited
US1141143A
Cited
US2017925A
Cited
US2060952A
Cited
US2160403A
Cited
US2226624A
Cited
US2226625A
Cited
US2280399A
Cited
US2355667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |