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US1257044A Expired / Lapsed US ⏱️ 0.0 years remaining

Life-preserver.

Assignee: CHARLES WEHNERT
•
Filing: 1917-06-12
•
Granted: 1918-02-19
•
Expires: 1937-06-12
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Abstract

No abstract record available.

Inventors

  • 👤 Emil E Stoesser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:08
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/13; B63C9/15; B63C9/155

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) 1921-02-18 1921-08-20 1922-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1925-02-18 1925-08-20 1926-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1929-02-18 1929-08-20 1930-02-19 $7700.00 Window Closed / Lapsed

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