US2625774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary abrasive head
Assignee: ARSDALE CORP VAN
•
Filing: 1949-09-23
•
Granted: 1953-01-20
•
Expires: 1969-09-23
Abstract
No abstract record available.
Inventors
- 👤 Allen R Tenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:05
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US564587A
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US674384A
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US2100780A
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US2125460A
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US2192804A
Cited
US2194577A
Cited
US2439962A
Cited
US2430099A
Cited
US2452409A
Cited
US2522920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |