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US3371241A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicle light dimming system including solid state circuitry and manual control means

Assignee: ARTHUR W AMACHER
•
Filing: 1965-06-25
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Granted: 1968-02-27
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Expires: 1985-06-25
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur W Amacher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:51
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1235244A Cited
US3169212A Cited
US3213343A Cited
US3225309A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-26 1971-08-28 1972-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-26 1975-08-28 1976-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-26 1979-08-28 1980-02-27 $7700.00 Window Closed / Lapsed

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