Patent US3383552A successfully refreshed from Google Patents.
US3383552A
Expired / Lapsed
US
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Automatic headlight dimming system with time delay in switching from high to low beam
Assignee: Motors Liquidation Co
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Filing: 1967-02-23
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Granted: 1968-05-14
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Expires: 1987-02-23
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Brock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:19
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; H; H05; H05B; H05B39/00; H05B39/04; H05B39/06; B60Q2300/00; B60Q2300/05; B60Q2300/052; B60Q2300/40; B60Q2300/42
Claims Analysis
Total Claims: 0
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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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |