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US2696898A Expired / Lapsed US ⏱️ 0.0 years remaining

Centrifugally engaged friction clutch

Assignee: Individual
•
Filing: 1949-07-25
•
Granted: 1954-12-14
•
Expires: 1969-07-25
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Abstract

No abstract record available.

Inventors

  • 👤 Paul C Kuehn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 01:55
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/06; F16D43/08; F16D43/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1503818A Cited
US1670877A Cited
US1718105A Cited
US1990614A Cited
US2107075A Cited
US2491003A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-12-13 1958-06-14 1958-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-12-13 1962-06-14 1962-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-12-13 1966-06-14 1966-12-14 $7700.00 Window Closed / Lapsed

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