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US1984232A Expired / Lapsed US ⏱️ 0.0 years remaining

Extruded shapes with interlock and method of making same

Assignee: Individual
•
Filing: 1933-09-29
•
Granted: 1934-12-11
•
Expires: 1953-09-29
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Abstract

No abstract record available.

Inventors

  • 👤 Peremi Edmund
  • 👤 Toth Louis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:41
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/043; E04C2003/0443; E04C2003/0465

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) 1937-12-10 1938-06-11 1938-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-12-10 1942-06-11 1942-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-12-10 1946-06-11 1946-12-11 $7700.00 Window Closed / Lapsed

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