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US2547207A Expired / Lapsed US ⏱️ 0.0 years remaining

Pit inspector

Assignee: Individual
•
Filing: 1948-03-30
•
Granted: 1951-04-03
•
Expires: 1968-03-30
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Abstract

No abstract record available.

Inventors

  • 👤 Keith K Harworth
  • 👤 Randall U Temby

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 23:16
CPC Classifications
A; A23; A23N; A23N4/00; A23N4/02; A23N4/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1921863A Cited
US2138645A Cited
US2070339A Cited
US2092956A Cited
US2205397A Cited
US2243246A Cited
US2232207A Cited
US2280948A Cited
US2298613A Cited
US2238980A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-04-02 1954-10-02 1955-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-04-02 1958-10-02 1959-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-04-02 1962-10-02 1963-04-03 $7700.00 Window Closed / Lapsed

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