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US2591298A Expired / Lapsed US ⏱️ 0.0 years remaining

Equipment for use in the manufacture of drawing dies

Assignee: Individual
•
Filing: 1950-06-01
•
Granted: 1952-04-01
•
Expires: 1970-06-01
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Abstract

No abstract record available.

Inventors

  • 👤 William E Roux

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 19:40
CPC Classifications
B; B21; B21C; B21C3/00; B21C3/18

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US367733A Cited
US1428209A Cited
US1885178A Cited
GB548533A Cited
US2530424A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-04-01 1955-10-01 1956-04-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-04-01 1959-10-01 1960-04-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-04-01 1963-10-01 1964-04-01 $7700.00 Window Closed / Lapsed

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