Patent US3018469A successfully refreshed from Google Patents.
US3018469A
Expired / Lapsed
US
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Fare collection and signal system for toll roads
Assignee: —
•
Filing: —
•
Granted: 1962-01-23
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Expires: 1979-01-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:29
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/017; G07; G07B; G07B15/00; G07B15/06; G07B15/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2528790A
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US2608624A
Cited
US2646215A
Cited
US2593642A
Cited
US2704310A
Cited
US2769165A
Cited
US2881975A
Cited
US2889544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |