US1745083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimmer for automobile headlights
Assignee: VIRGIL DEAVER
•
Filing: 1928-08-20
•
Granted: 1930-01-28
•
Expires: 1948-08-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:12
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/04; B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; F21S; F21S41/00; F21S41/40; F21S41/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-01-27 | 1933-07-29 | 1934-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-27 | 1937-07-29 | 1938-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-27 | 1941-07-29 | 1942-01-28 | $7700.00 | Window Closed / Lapsed |