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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
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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 Cited
US674384A Cited
US2100780A Cited
US2125460A Cited
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

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