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US2658315A Expired / Lapsed US ⏱️ 0.0 years remaining

Buff and method of making same

Assignee: Osborn Manufacturing Corp
•
Filing: 1949-03-17
•
Granted: 1953-11-10
•
Expires: 1969-03-17
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Abstract

No abstract record available.

Inventors

  • 👤 Ruben O Peterson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 08:59
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/18

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US260558A Cited
US1404620A Cited
US2031105A Cited
US2122609A Cited
US2146284A Cited
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US2303386A Cited
US2409309A Cited
US2427137A Cited
US2455098A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-11-09 1957-05-11 1957-11-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-11-09 1961-05-11 1961-11-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-11-09 1965-05-11 1965-11-10 $7700.00 Window Closed / Lapsed

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