US2984721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile headlight control system
Assignee: GTE Sylvania Inc
•
Filing: 1959-01-26
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Granted: 1961-05-16
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Expires: 1979-01-26
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
2026-10-27 12:25
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1415; B60Q1/1423; H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/16; H01H13/50; H01H13/56; H01H13/58; H01H51/00; H01H51/02; H01H51/04; H01H51/12; B60Q2300/00; B60Q2300/05; B60Q2300/052; B60Q2300/40; B60Q2300/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2045274A
Cited
US2496020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |