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US2065045A Expired / Lapsed US ⏱️ 0.0 years remaining

Construction material

Assignee: Individual
•
Filing: 1933-04-25
•
Granted: 1936-12-22
•
Expires: 1953-04-25
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Abstract

No abstract record available.

Inventors

  • 👤 Broback Juel Irvin
  • 👤 George J Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 07:37
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; E04B1/941; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/166; Y10T428/31504; Y10T428/31652; Y10T428/31659

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1939-12-22 1940-06-22 1940-12-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1943-12-22 1944-06-22 1944-12-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1947-12-22 1948-06-22 1948-12-22 $7700.00 Window Closed / Lapsed

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