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US2248777A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal covered door

Assignee: Individual
•
Filing: 1940-11-27
•
Granted: 1941-07-08
•
Expires: 1960-11-27
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Abstract

No abstract record available.

Inventors

  • 👤 James F Peelle
  • 👤 Peter W Van Etten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:12
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/10; E06B5/16; E06B3/00; E06B3/70; E06B3/7015; E06B2003/7025; E06B2003/7032; E06B2003/7034

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1944-07-07 1945-01-06 1945-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-07-07 1949-01-06 1949-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-07-07 1953-01-06 1953-07-08 $7700.00 Window Closed / Lapsed

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