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US3009481A Expired / Lapsed US ⏱️ 0.0 years remaining

Control valve adapted for vacuumpower steering use

Assignee: Individual
•
Filing: 1959-10-05
•
Granted: 1961-11-21
•
Expires: 1979-10-05
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Abstract

No abstract record available.

Inventors

  • 👤 Glenn T Randol
  • 👤 St Paull

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:55
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87233

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1875226A Cited
US2432721A Cited
US2503827A Cited
FR955910A Cited
US2702685A Cited
US2702529A Cited
US2729242A Cited
US2798461A Cited
US2788770A Cited
US2719511A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-11-20 1965-05-22 1965-11-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-11-20 1969-05-22 1969-11-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-11-20 1973-05-22 1973-11-21 $7700.00 Window Closed / Lapsed

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