US3299401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic signal controller
Assignee: SPX Technologies Inc
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Filing: 1965-10-23
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Granted: 1967-01-17
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Norman A Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:35
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
IN A CONTROLLER FOR OPERATING A TRAFFIC SIGNAL THROUGH ITS SIGNAL CYCLE AT AN INTERSECTION, THE COMBINATION COMPRISING, (A) CYCLE DEMARCATING MEANS OPERABLE THROUGH A PLURALITY OF SUCCESSIVELY DIFFERENT CONDITIONS FOR DEMARCATING THE VARIOUS PORTIONS OF SAID SIGNAL CYCLE ON EACH OF WHICH A TRAFFIC SIGNAL IS CONTROLLED TO DISPLAY A DIFFERENT COMBINATION OF SIGNAL INDICATIONS, (B) COUNTING MEANS FOR MEASURING EACH OF A PLURALITY OF DIFFERENT TIME INTERVALS FROM A SINGLE STARTING CONDITION TO A PARTICULAR ONE OF A PLURALITY OF DIFFERENT OPERATING CONDITIONS, (C) CONTROL MEANS RESPONSIVE TO SAID CYCLE DEMARCATING MEANS IN EACH CONDITION OF ITS PLURALITY OF DIFFERENT CONDITIONS FOR CONTROLLING SAID TRAFFIC SIGNAL TO DISPLAY THE CORRESPONDING COMBINATION OF SIGNAL INDICATIONS, (D) MEANS CONTROLLED BY SAID CYCLE DEMARCATING MEANS FOR CONTROLLING SAID COUNTING MEANS TO PROVIDE AN OUTPUT WHEN IT OPERATES TO THE PARTICULAR CONDITION THEREOF CORRESPONDING TO THE MEASURED TIME INTERVAL ALLOTTED TO THAT CONDITION OF SAID CYCLE DEMARCATING MEANS, (E) AND MEANS RESPONSIVE TO EACH OUTPUT PROVIDED BY SAID COUNTING MEANS FOR EACH OF SAID PLURALITY OF DIFFERENT CONDITIONS IN WHICH SAID CYCLE DEMARCATING MEANS OPERATES TO ADVANCE SAID DEMARCATING MEANS TO ITS NEXT CONDITION AND FOR RETURNING SAID COUNTING MEANS TO SAID SINGLE STARTING CONDITION.
Claim 2
Dependent Claim
203 words
IN A CONTROLLER FOR OPERATING A TRAFFIC SIGNAL THROUGH ITS SIGNAL CYCLE AT AN INTERSECTION, THE COMBINATION COMPRISING, (A) CYCLE DEMARCATING MEANS OPERABLE THROUGH A PLURALITY OF SUCCESSIVELY DIFFERENT CONDITIONS FOR DEMARCATING THE VARIOUS PORTIONS OF SAID SIGNAL CYCLE ON EACH OF WHICH A TRAFFIC SIGNAL IS CONTROLLED TO DISPLAY A DIFFERENT COMBINATION OF SIGNAL INDICATIONS, (B) COUNTING MEANS FOR MEASURING EACH OF A PLURALITY OF DIFFERENT TIME INTERVALS FROM A SINGLE STARTING CONDITION TO A PARTICULAR ONE OF A PLURALITY OF DIFFERENT OPERATING CONDITIONS, (C) CONTROL MEANS RESPONSIVE TO SAID CYCLE DEMARCATING MEANS IN EACH CONDITION OF ITS PLURALITY OF DIFFERENT CONDITIONS FOR CONTROLLING SAID TRAFFIC SIGNAL TO DISPLAY THE CORRESPONDING COMBINATION OF SIGNAL INDICATIONS, (D) MEANS CONTROLLED BY SAID CYCLE DEMARCATING MEANS FOR CONTROLLING SAID COUNTING MEANS TO PROVIDE AN OUTPUT WHEN IT OPERATES TO THE PARTICULAR CONDITION THEREOF CORRESPONDING TO THE MEASURED TIME INTERVAL ALLOTTED TO THAT CONDITION OF SAID CYCLE DEMARCATING MEANS, (E) AND MEANS RESPONSIVE TO EACH OUTPUT PROVIDED BY SAID COUNTING MEANS FOR EACH OF SAID PLURALITY OF DIFFERENT CONDITIONS IN WHICH SAID CYCLE DEMARCATING MEANS OPERATES TO ADVANCE SAID DEMARCATING MEANS TO ITS NEXT CONDITION AND FOR RETURNING SAID COUNTING MEANS TO SAID SINGLE STARTING CONDITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |