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US1573183A Expired / Lapsed US ⏱️ 0.0 years remaining

Collapsible mandrel

Assignee: Individual
•
Filing: 1925-07-29
•
Granted: 1926-02-16
•
Expires: 1945-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Mehlum Casper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:09
CPC Classifications
B; B31; B31C; B31C1/00; B31C1/08; B31C1/083; B31C1/086; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/248; B65H75/2487

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) 1929-02-15 1929-08-17 1930-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1933-02-15 1933-08-17 1934-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1937-02-15 1937-08-17 1938-02-16 $7700.00 Window Closed / Lapsed

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