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US2430962A Expired / Lapsed US ⏱️ 0.0 years remaining

Post pulling machine

Assignee: BROWN FAYRO Co
•
Filing: 1945-02-20
•
Granted: 1947-11-18
•
Expires: 1965-02-20
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Abstract

No abstract record available.

Inventors

  • 👤 William R Stamler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:06
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/60

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1116357A Cited
US1011712A Cited
US1473729A Cited
US1791744A Cited
US2165895A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-11-17 1951-05-19 1951-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-11-17 1955-05-19 1955-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-11-17 1959-05-19 1959-11-18 $7700.00 Window Closed / Lapsed

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