US2820925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile headlight control devices
Assignee: Individual
•
Filing: 1954-02-11
•
Granted: 1958-01-21
•
Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest H Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/06; B60Q1/068; B60Q1/0683; B60Q1/0686; B60Q1/076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1269426A
Cited
CH113853A
Cited
US1686452A
Cited
US2202922A
Cited
US2375677A
Cited
US2476389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |