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US1743436A Expired / Lapsed US ⏱️ 0.0 years remaining

Trailer-frame structure

Assignee: Highway Trailer Co
•
Filing: 1927-05-25
•
Granted: 1930-01-14
•
Expires: 1947-05-25
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Abstract

No abstract record available.

Inventors

  • 👤 Durrel H Davis
  • 👤 Leroy E Williams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 00:08
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/06; B62D63/08

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) 1933-01-13 1933-07-15 1934-01-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-01-13 1937-07-15 1938-01-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-01-13 1941-07-15 1942-01-14 $7700.00 Window Closed / Lapsed

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