US2453702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direction signaling system for automotive vehicles
Assignee: United Lens Corp
•
Filing: 1942-07-27
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Granted: 1948-11-16
•
Expires: 1962-07-27
Abstract
No abstract record available.
Inventors
- 👤 Guy H Coulter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:49
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38; B60Q1/387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1154462A
Cited
US1236541A
Cited
US1365127A
Cited
US1623219A
Cited
US1980037A
Cited
US2034866A
Cited
US2178479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |