US2715802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc sander
Assignee: Collins Radio Co
•
Filing: 1952-06-07
•
Granted: 1955-08-23
•
Expires: 1972-06-07
Abstract
No abstract record available.
Inventors
- 👤 Frank C Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:37
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/10; B24B37/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US40303A
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US1420751A
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US1003816A
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US1495018A
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US1575156A
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US1798639A
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US1996903A
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US2115404A
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US2225826A
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US2404282A
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US2570690A
Cited
US2606405A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |