US3209325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for emergency remote control of traffic signals
Assignee: Electro Controls Inc
•
Filing: 1961-04-03
•
Granted: 1965-09-28
•
Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Leonard F Mentzer
- 👤 Wayne M Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:13
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A SYSTEM FOR REMOTELY CONTROLLING A TRAFFIC SIGNAL HAVING A PLURALITY OF ASPECTS; THE COMBINATION WITH SAID TRAFFIC SIGNAL OF A FIXED RADIO CONTROL STATION COMPRISING; FIRST AND SECOND CHANNELS, MEANS FOR RESPECTIVELY RECEIVING IN SAID FIRST AND SECOND CHANNELS FIRST AND SECOND RADIO SIGNALS RESPECTIVELY HAVING DIFFERENT TRANSMISSION CHARACTERISTICS; SAID RECEIVING MEANS INCLUDING FIRST MEANS COUPLED TO SAID TRAFFIC SIGNAL FOR PROVIDING A PREDETERMINED ASPECT THEREON RESPONSIVE TO THE FIRST RADIO SIGNAL AND SECOND MEANS INDEPENDENTLY COUPLED TO SAID TRAFFIC SIGNAL FOR PROVIDING A PREDETERMINED ASPECT THEREON RESPONSIVE TO THE SECOND RADIO SIGNAL; EACH OF SAID COUPLING MEANS HAVING MEANS PROVIDING A PREDETERMINED TIME DELAY FOLLOWING TERMINATION OF THE RESPECTIVE RADIO SIGNAL, ONE TIME DELAY BEING LONGER THAN THE OTHER; MEANS FOR TRANSMITTING A THIRD SIGNAL FROM SAID STATION; AND
Claim 2
Dependent Claim
132 words
IN A SYSTEM FOR REMOTELY CONTROLLING A TRAFFIC SIGNAL HAVING A PLURALITY OF ASPECTS; THE COMBINATION WITH SAID TRAFFIC SIGNAL OF A FIXED RADIO CONTROL STATION COMPRISING; FIRST AND SECOND CHANNELS, MEANS FOR RESPECTIVELY RECEIVING IN SAID FIRST AND SECOND CHANNELS FIRST AND SECOND RADIO SIGNALS RESPECTIVELY HAVING DIFFERENT TRANSMISSION CHARACTERISTICS; SAID RECEIVING MEANS INCLUDING FIRST MEANS COUPLED TO SAID TRAFFIC SIGNAL FOR PROVIDING A PREDETERMINED ASPECT THEREON RESPONSIVE TO THE FIRST RADIO SIGNAL AND SECOND MEANS INDEPENDENTLY COUPLED TO SAID TRAFFIC SIGNAL FOR PROVIDING A PREDETERMINED ASPECT THEREON RESPONSIVE TO THE SECOND RADIO SIGNAL; EACH OF SAID COUPLING MEANS HAVING MEANS PROVIDING A PREDETERMINED TIME DELAY FOLLOWING TERMINATION OF THE RESPECTIVE RADIO SIGNAL, ONE TIME DELAY BEING LONGER THAN THE OTHER; MEANS FOR TRANSMITTING A THIRD SIGNAL FROM SAID STATION; AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |