Patent US2890387A successfully refreshed from Google Patents.
US2890387A
Expired / Lapsed
US
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Automobile headlight control system
Assignee: GTE Sylvania Inc
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Filing: 1955-01-18
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Granted: 1959-06-09
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Expires: 1975-01-18
Abstract
No abstract record available.
Inventors
- 👤 Verlis H Wiley
- 👤 John P Rug
- 👤 Lloyd S Trefethen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:04
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; B60Q2300/00; B60Q2300/40; B60Q2300/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1948896A
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US1997209A
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US2021041A
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US2493307A
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US2558969A
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US2686277A
Cited
US2684418A
Cited
US2639339A
Cited
US2708371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |