US2421680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle lighting system
Assignee: Pullman-Standard Car Manufacturing Co
•
Filing: 1944-07-13
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Granted: 1947-06-03
•
Expires: 1964-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jr James E Candlin
- 👤 Harry L Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:45
CPC Classifications
B; B60; B60Q; B60Q3/00; B60Q3/50; B60Q3/57; B60Q3/20; B60Q3/233
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1468727A
Cited
FR529118A
Cited
US1845401A
Cited
US2021836A
Cited
US2084120A
Cited
US2244535A
Cited
US2312005A
Cited
US2331973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-02 | 1950-12-02 | 1951-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-02 | 1954-12-02 | 1955-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-02 | 1958-12-02 | 1959-06-03 | $7700.00 | Window Closed / Lapsed |