US3274547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic signal controller
Assignee: SPX Technologies Inc
•
Filing: 1963-10-29
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Granted: 1966-09-20
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Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Norman A Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:54
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A MULTI-PHASE CONTROLLER FOR TRAFFIC SIGNALS HAVING A PLURALITY OF SIGNAL LAMPS WHICH ARE ILLUMINATED IN DIFFERENT COMBINATIONS ON SUCCESSIVE INTERVALS OF EACH SIGNAL CYCLE AND COMPRISING IN COMBINATION, A COUNTER HAVING A PREDETERMINED NUMBER OF STEPS AND INCLUDING MEANS FOR OPERATING SAID COUNTER FROM ONE STEP TO THE NEXT IN SEQUENCE, SELECTOR MEANS OPERABLE BETWEEN FIRST AND SECONDS CONDITIONS, SAID SELECTOR MEANS IN THE FIRST OF ITS CONDITIONS OPERTIVELY CONNECTING SAID OUNTER ON ANY ONE STEP OF A SUCCESSIVELY PLURALITY OF ITS STEPS WITH A RESPECTIVE FIRST PLURALITY OF ITS STEPS WITH A RESPECOF ITS CONDITIONS OPERATIVELY CONNECTING SAID COUNTER ON SAID ONE STEP WITH A RESPECTIVE SECOND PLURALITY OF SIGNAL LAMPS, AND MEANS FOR AT TIMES OPERTING SAID SELECTOR MEANS BETWEEN ITS AND FIRST AND SECOND CONDITIONS BUT ONLY WHEN NONE OF SAID SUCCESSIVE PLURALITY OF STEPS OF SAID COUNTER IS BEING OPERATED
Claim 2
Dependent Claim
145 words
A MULTI-PHASE CONTROLLER FOR TRAFFIC SIGNALS HAVING A PLURALITY OF SIGNAL LAMPS WHICH ARE ILLUMINATED IN DIFFERENT COMBINATIONS ON SUCCESSIVE INTERVALS OF EACH SIGNAL CYCLE AND COMPRISING IN COMBINATION, A COUNTER HAVING A PREDETERMINED NUMBER OF STEPS AND INCLUDING MEANS FOR OPERATING SAID COUNTER FROM ONE STEP TO THE NEXT IN SEQUENCE, SELECTOR MEANS OPERABLE BETWEEN FIRST AND SECONDS CONDITIONS, SAID SELECTOR MEANS IN THE FIRST OF ITS CONDITIONS OPERTIVELY CONNECTING SAID OUNTER ON ANY ONE STEP OF A SUCCESSIVELY PLURALITY OF ITS STEPS WITH A RESPECTIVE FIRST PLURALITY OF ITS STEPS WITH A RESPECOF ITS CONDITIONS OPERATIVELY CONNECTING SAID COUNTER ON SAID ONE STEP WITH A RESPECTIVE SECOND PLURALITY OF SIGNAL LAMPS, AND MEANS FOR AT TIMES OPERTING SAID SELECTOR MEANS BETWEEN ITS AND FIRST AND SECOND CONDITIONS BUT ONLY WHEN NONE OF SAID SUCCESSIVE PLURALITY OF STEPS OF SAID COUNTER IS BEING OPERATED
References Cited (Backward Citations)
US3056946A
Cited
US3208038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |