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US3277671A Expired / Lapsed US ⏱️ 0.0 years remaining

Clutch assemblies

Assignee: S Smith and Sons England Ltd
•
Filing: 1964-06-11
•
Granted: 1966-10-11
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Expires: 1984-06-11
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Abstract

No abstract record available.

Inventors

  • 👤 Winstone Ronald Francis
  • 👤 Hornby Dennis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 21:40
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/21; F16D43/213; F16D43/215; F16D43/216

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE430562C Cited
US1632539A Cited
US2587712A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-10 1970-04-11 1970-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-10 1974-04-11 1974-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-10 1978-04-11 1978-10-11 $7700.00 Window Closed / Lapsed

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