US3302169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital counter traffic signal controller
Assignee: SPX Technologies Inc
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Filing: 1963-12-30
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Granted: 1967-01-31
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Wetmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:50
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A CONTROLLER FOR CONTROLLING THE SIGNAL INDICATION DISPLAYED BY TRAFFIC SIGNALS AT THE INTERSECTION OF CONFLICTING RIGHTS-OF-WAY COMPRISING IN COMBINATION, A DIGITAL COUNTER, A SOURCE OF DISCRETE PULSES HAVING A PREDETERMINED RATE FOR DRIVING SAID COUNTER, A REGISTER HAVING A PREDETERMINED NUMBER OF STEPS AND BEING OPERABLE TO EACH STEP IN TURN, SIGNAL CONTROL MEANS RESPONSIVE TO SAID REGISTER FOR CONTROLLING SAID SIGNALS TO DISPLAY A DISTINCTIVE COMBINATION OF SIGNAL INDICATIONS ON EACH STEP OF SAID REGISTER, MEANS RESPONSIVE TO THE OPERATION OF SAID REGISTER FROM ONE STEP TO THE NEXT FOR SETTLING SAID DIGITAL COUNTTER FROM ONE STEP TO THE NEXT FOR SETTING SAID DIGITAL COUNTER TO A PREDETERMINED COUNT SELECTED IN ACCORDANCE WITH AND MEANS RESPONSIVE TO THE OPERATION OF SAID DIGITAL COUNTER TO A PREDETERMINED END COUNT WHICH IS THE SAME FOR EACH STEP OF SAID REGISTER FOR ADVANCING SAID REGISTER TO ITS NEXT SUCCESSIVE STEP.
Claim 2
Dependent Claim
149 words
A CONTROLLER FOR CONTROLLING THE SIGNAL INDICATION DISPLAYED BY TRAFFIC SIGNALS AT THE INTERSECTION OF CONFLICTING RIGHTS-OF-WAY COMPRISING IN COMBINATION, A DIGITAL COUNTER, A SOURCE OF DISCRETE PULSES HAVING A PREDETERMINED RATE FOR DRIVING SAID COUNTER, A REGISTER HAVING A PREDETERMINED NUMBER OF STEPS AND BEING OPERABLE TO EACH STEP IN TURN, SIGNAL CONTROL MEANS RESPONSIVE TO SAID REGISTER FOR CONTROLLING SAID SIGNALS TO DISPLAY A DISTINCTIVE COMBINATION OF SIGNAL INDICATIONS ON EACH STEP OF SAID REGISTER, MEANS RESPONSIVE TO THE OPERATION OF SAID REGISTER FROM ONE STEP TO THE NEXT FOR SETTLING SAID DIGITAL COUNTTER FROM ONE STEP TO THE NEXT FOR SETTING SAID DIGITAL COUNTER TO A PREDETERMINED COUNT SELECTED IN ACCORDANCE WITH AND MEANS RESPONSIVE TO THE OPERATION OF SAID DIGITAL COUNTER TO A PREDETERMINED END COUNT WHICH IS THE SAME FOR EACH STEP OF SAID REGISTER FOR ADVANCING SAID REGISTER TO ITS NEXT SUCCESSIVE STEP.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |