Patent US2462741A successfully refreshed from Google Patents.
US2462741A
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US
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Rotary abrading tool
Assignee: Individual
•
Filing: 1946-03-06
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Granted: 1949-02-22
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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 18:13
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/20; B24D13/02; B24D13/04; B24D13/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US269688A
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USRE19894E
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US872966A
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US968431A
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US1141143A
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US2017925A
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US2060952A
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US2160403A
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US2226624A
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US2226625A
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US2280399A
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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 |