Patent US4225428A successfully refreshed from Google Patents.
US3201644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for automatically turning on lights of automotive vehicles
Assignee: Individual
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Filing: 1961-10-17
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Granted: 1965-08-17
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Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Henry A Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:57
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; B60Q1/143; B60Q2300/00; B60Q2300/10; B60Q2300/11; B60Q2300/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A VEHICLE HAVING HEADLIGHTS WITH BRIGHT AND DIM FILAMENTS, A SORCE OF ELECTRICITY, AND MANUALLY OPERABLE SWITCH MEANS TO CONNECT SAID BRIGHT AND DIM FILAMENTS SELECTIVELY TO SAID SOURCE, A CONNECTION FROM SAID DIM FILAMENT TO SAID SOURCE IN PARALLEL WITH SAID SWITCH MEANS, AND A VEHICLE RESPONSIVE SWITCH IN SAID CONNECTION FOR AUTOMATICALLY ENERGIZING SAID DIM FILAMENT WHEN THE VEHICLE SPEED EXCEEDS A PREDETERMINED VALUE.
Claim 2
Dependent Claim
67 words
IN A VEHICLE HAVING HEADLIGHTS WITH BRIGHT AND DIM FILAMENTS, A SORCE OF ELECTRICITY, AND MANUALLY OPERABLE SWITCH MEANS TO CONNECT SAID BRIGHT AND DIM FILAMENTS SELECTIVELY TO SAID SOURCE, A CONNECTION FROM SAID DIM FILAMENT TO SAID SOURCE IN PARALLEL WITH SAID SWITCH MEANS, AND A VEHICLE RESPONSIVE SWITCH IN SAID CONNECTION FOR AUTOMATICALLY ENERGIZING SAID DIM FILAMENT WHEN THE VEHICLE SPEED EXCEEDS A PREDETERMINED VALUE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |