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US3280947A Expired / Lapsed US ⏱️ 0.0 years remaining

Clutch apparatus

Assignee: International Standard Electric Corp
•
Filing: 1962-11-05
•
Granted: 1966-10-25
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Expires: 1982-11-05
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Abstract

No abstract record available.

Inventors

  • 👤 Brewster Arthur Edward
  • 👤 Mason Brian Stanley
  • 👤 Pearce Geoffrey Roland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:46
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/02; G; G11; G11B; G11B15/00; G11B15/18; G11B15/24; G11B15/26; G11B15/34; G11B15/675; G11B15/68; G11B15/682; G11B23/00; G11B23/02; G11B23/12; G11B25/00; G11B25/06

Claims Analysis

Total Claims: 0
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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) 1969-10-24 1970-04-25 1970-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-24 1974-04-25 1974-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-24 1978-04-25 1978-10-25 $7700.00 Window Closed / Lapsed

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