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US2824339A Expired / Lapsed US ⏱️ 0.0 years remaining

Box car side door, bumper, and guide

Assignee: Pullman-Standard Car Manufacturing Co
•
Filing: 1954-01-26
•
Granted: 1958-02-25
•
Expires: 1974-01-26
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Abstract

No abstract record available.

Inventors

  • 👤 William R Shaver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 19:54
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/003; B61D19/005

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US356307A Cited
GB190324694A Cited
US1521816A Cited
US2041007A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-02-24 1961-08-26 1962-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-02-24 1965-08-26 1966-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-02-24 1969-08-26 1970-02-25 $7700.00 Window Closed / Lapsed

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