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US2440449A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable building structure

Assignee: Individual
•
Filing: 1944-01-06
•
Granted: 1948-04-27
•
Expires: 1964-01-06
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Abstract

No abstract record available.

Inventors

  • 👤 Lloyd R Raemer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 08:43
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34315

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US574519A Cited
US577097A Cited
US98608A Cited
US968061A Cited
US1093898A Cited
US1161115A Cited
US1111928A Cited
US1114639A Cited
US1215983A Cited
US1372206A Cited
US1347541A Cited
US1413918A Cited
US1912502A 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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