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US3490295A Expired / Lapsed US ⏱️ 0.0 years remaining

Speed sensing device having positionally adjustable switch elements

Assignee: BURGEOIS FRANCIS H
•
Filing: 1968-01-05
•
Granted: 1970-01-20
•
Expires: 1988-01-05
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Abstract

No abstract record available.

Inventors

  • 👤 Lloyd R Westby
  • 👤 Francis H Bourgeois

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:51
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/11

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2113947A Cited
US2130296A Cited
US2263228A Cited
US3162789A Cited
US3247724A Cited
US3394595A Cited
US3401566A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-01-19 1973-07-21 1974-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-01-19 1977-07-21 1978-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-01-19 1981-07-21 1982-01-20 $7700.00 Window Closed / Lapsed

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