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US2602537A Expired / Lapsed US ⏱️ 0.0 years remaining

Gathering table

Assignee: United Engineering and Foundry Co
•
Filing: 1949-11-15
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Granted: 1952-07-08
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Expires: 1969-11-15
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Abstract

No abstract record available.

Inventors

  • 👤 Howard H Talbot

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 19:53
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/006

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US744874A Cited
US1228543A Cited
US2030816A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-07-08 1956-01-07 1956-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-07-08 1960-01-07 1960-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-07-08 1964-01-07 1964-07-08 $7700.00 Window Closed / Lapsed

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