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US2268081A Expired / Lapsed US ⏱️ 0.0 years remaining

Tightening device

Assignee: Individual
•
Filing: 1939-12-13
•
Granted: 1941-12-30
•
Expires: 1959-12-13
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Abstract

No abstract record available.

Inventors

  • 👤 Pagnard Georges Frederic

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:56
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427

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) 1944-12-29 1945-06-30 1945-12-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-12-29 1949-06-30 1949-12-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-12-29 1953-06-30 1953-12-30 $7700.00 Window Closed / Lapsed

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