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US2814867A Expired / Lapsed US ⏱️ 0.0 years remaining

Pipe cutter

Assignee: Individual
•
Filing: 1956-06-06
•
Granted: 1957-12-03
•
Expires: 1976-06-06
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Abstract

No abstract record available.

Inventors

  • 👤 Ethelred J Charles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:09
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/06; B23D21/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE52099C Cited
US76729A Cited
US300898A Cited
US424710A Cited
US1193853A Cited
US1017037A Cited
US1064655A Cited
US1215121A Cited
US1262690A Cited
US1773096A Cited
CH253078A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-02 1961-06-03 1961-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-02 1965-06-03 1965-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-02 1969-06-03 1969-12-03 $7700.00 Window Closed / Lapsed

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