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US2876822A Expired / Lapsed US ⏱️ 0.0 years remaining

Arrow runout tester and straightener

Assignee: Individual
•
Filing: 1957-09-03
•
Granted: 1959-03-10
•
Expires: 1977-09-03
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Abstract

No abstract record available.

Inventors

  • 👤 Harold W Groves

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:44
CPC Classifications
F; F41; F41B; F41B5/00; F41B5/14; F41B5/1442; F41B5/1446; B; B21; B21D; B21D3/00; B21D3/10; F41B5/148

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US65856A Cited
US87571A Cited
US117860A Cited
US1308501A Cited
US2371464A Cited
US2407040A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-09 1962-09-08 1963-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-09 1966-09-08 1967-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-09 1970-09-08 1971-03-10 $7700.00 Window Closed / Lapsed

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