US2459429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for traffic signaling systems
Assignee: Crouse Hinds Co
•
Filing: 1942-03-23
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Granted: 1949-01-18
•
Expires: 1962-03-23
Abstract
No abstract record available.
Inventors
- 👤 Walter M Jeffers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:15
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1054203A
Cited
US1405041A
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US1577618A
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US1684162A
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US1594396A
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US2081652A
Cited
US2199640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |