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US2222281A Expired / Lapsed US ⏱️ 0.0 years remaining

Friction wheel gear

Assignee: Individual
•
Filing: 1939-08-12
•
Granted: 1940-11-19
•
Expires: 1959-08-12
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Abstract

No abstract record available.

Inventors

  • 👤 Beier Josef

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 11:20
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/52; F16H15/02; F16H15/04; F16H15/06; F16H15/08; F16H15/14; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H37/0853; F16H61/00; F16H61/66; F16H61/664; F16H61/6645

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) 1943-11-19 1944-05-20 1944-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-11-19 1948-05-20 1948-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-11-19 1952-05-20 1952-11-19 $7700.00 Window Closed / Lapsed

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