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US3021826A Expired / Lapsed US ⏱️ 0.0 years remaining

Rocker arm and multiple valve actuating mechanism

Assignee: Motors Liquidation Co
•
Filing: 1959-11-23
•
Granted: 1962-02-20
•
Expires: 1979-11-23
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Abstract

No abstract record available.

Inventors

  • 👤 Fezzy Albert De
  • 👤 George P Hanley
  • 👤 William S Kenyon
  • 👤 Joseph A Peak

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:56
CPC Classifications
F; F01; F01M; F01M9/00; F01M9/10; F01M9/107; F01L; F01L1/00; F01L1/26; F02; F02B; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B2275/00; F02B2275/34; F02B3/00; F02B3/06; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4214; F02F2001/244; F02F2001/247

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1084514A Cited
US1198115A Cited
US2522326A Cited
US2956642A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-02-19 1965-08-21 1966-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-02-19 1969-08-21 1970-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-02-19 1973-08-21 1974-02-20 $7700.00 Window Closed / Lapsed

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