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US2851264A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal cutting apparatus

Assignee: Grove Valve and Regulator Co
•
Filing: 1955-06-13
•
Granted: 1958-09-09
•
Expires: 1975-06-13
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Abstract

No abstract record available.

Inventors

  • 👤 Austin U Bryant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 05:23
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/10; B23K7/105; B23K7/107

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE232264C Cited
US1698173A Cited
US2088695A Cited
US2178938A Cited
US2508730A Cited
US2494532A Cited
US2468938A Cited
US2493033A Cited
US2463408A Cited
US2573654A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-09-08 1962-03-10 1962-09-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-09-08 1966-03-10 1966-09-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-09-08 1970-03-10 1970-09-09 $7700.00 Window Closed / Lapsed

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