US3251031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic signal controller
Assignee: SPX Technologies Inc
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Filing: 1964-01-07
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Granted: 1966-05-10
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Expires: 1984-01-07
Abstract
No abstract record available.
Inventors
- 👤 Norman A Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A CONTROLLER FOR GOVERNING OPERATION OF A TRAFFIC SIGNAL THROUGH THE DIFFERENT PORTIONS OF ITS CYCLE COMPRISING, IN COMBINATION, CYCLING MEANS OPERABLE RECURRENTLY THROUGH ITS PLURLITY OF DIFFERENT CONDITIONS IN SUCCESSION, TIMING MEANS SELECTIVELY SET TO MEASURE A PREDETERMINED TIME FOR EACH OF SAID PLURALITY OF DIFFERENT CONDITIONS IN WHICH SAID CYCLING MEANS IS OPERATIVE, HOLD MEANS NORMALLY EFFECTIVE TO CONTROL THE OPERATION OF SAID CYCLING MEANS IN THE EXISTING CONDITION OF ITS PLURALITY OF CONDITIONS IN WHICH IT IS OPERATED, TRANSFER MEANS RESPONSIVE JOINTLY TO SAID TIMING MEANS UPON MEASUREMENT OF A PREDETERMINED TIME AND TO THE CONDITION IN WHICH SAID CYCLING MEANS IS OPERATED FOR SELECTING THE NEXT INACTIVE CONDITION OF SAID CYCLING MEANS FOR OPERATION, PULSING MEANS RESPONSIVE MOMENTARILY TO SAID TIMING MEANS UPON MEASUREMENT OF A PREDETERMINED TIME FOR CONTROLLING
Claim 2
Dependent Claim
134 words
A CONTROLLER FOR GOVERNING OPERATION OF A TRAFFIC SIGNAL THROUGH THE DIFFERENT PORTIONS OF ITS CYCLE COMPRISING, IN COMBINATION, CYCLING MEANS OPERABLE RECURRENTLY THROUGH ITS PLURLITY OF DIFFERENT CONDITIONS IN SUCCESSION, TIMING MEANS SELECTIVELY SET TO MEASURE A PREDETERMINED TIME FOR EACH OF SAID PLURALITY OF DIFFERENT CONDITIONS IN WHICH SAID CYCLING MEANS IS OPERATIVE, HOLD MEANS NORMALLY EFFECTIVE TO CONTROL THE OPERATION OF SAID CYCLING MEANS IN THE EXISTING CONDITION OF ITS PLURALITY OF CONDITIONS IN WHICH IT IS OPERATED, TRANSFER MEANS RESPONSIVE JOINTLY TO SAID TIMING MEANS UPON MEASUREMENT OF A PREDETERMINED TIME AND TO THE CONDITION IN WHICH SAID CYCLING MEANS IS OPERATED FOR SELECTING THE NEXT INACTIVE CONDITION OF SAID CYCLING MEANS FOR OPERATION, PULSING MEANS RESPONSIVE MOMENTARILY TO SAID TIMING MEANS UPON MEASUREMENT OF A PREDETERMINED TIME FOR CONTROLLING
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |