US3457561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auto lamp failure warning circuit
Assignee: Ford Motor Co
•
Filing: 1966-05-02
•
Granted: 1969-07-22
•
Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Frederic L Zeisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:25
CPC Classifications
B; B60; B60Q; B60Q11/00; B60Q11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2844814A
Cited
US3171096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |