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US2440508A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of arch or like supports

Assignee: Individual
•
Filing: 1944-01-21
•
Granted: 1948-04-27
•
Expires: 1964-01-21
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Abstract

No abstract record available.

Inventors

  • 👤 William L Gould

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:07
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/142; A43B7/22; A43D; A43D39/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US601214A Cited
US1044171A Cited
US1483204A Cited
US1482185A Cited
US1482732A Cited
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US2082451A Cited
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US2332926A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-04-27 1951-10-27 1952-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-04-27 1955-10-27 1956-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-04-27 1959-10-27 1960-04-27 $7700.00 Window Closed / Lapsed

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