US3235025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collision prevention system
Assignee: Motors Liquidation Co
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Filing: 1964-04-20
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Granted: 1966-02-15
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Clark E Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:27
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/021; G05D1/0259; G05D1/0265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A SYSTEM FOR PREVENTING COLLISIONS BETWEEN AUTOMOTIVE VEHICLES CARRYING SIGNAL TRANSMITTER MEANS AND TRAVELING ALONG A COMMON PATH; RECEIVING APPARATUS CARRIED BY A FIRST VEHICLE AND INCLUDING FIRST OMNIDIRECTIONAL RECEIVER MEANS FORWARDLY MOUNTED ON THE VEHICLE AND RESPONSIVE TO A SIGNAL TRANSMITTED FROM THE SECOND VEHICLE TO DEVELOP A FIRST SIGNAL QUANTITY RELATED IN MAGNITUDE TO THE DISTANCE BETWEEN THE FIRST RECEIVER MEANS AND THE SECOND VEHICLE, SECOND RECEIVER MEANS REAWARDLY MOUNTED ON THE FIRST VEHICLE AND RESPONSIVE TO A SIGNAL TRANSMITTED FROM THE SECOND VEHICLE TO DEVELOP A SECOND SIGNAL QUANTITY RELATED IN MAGNITUDE TO THE DISTANCE BETWEEN THE SECOND RECEIVER MEANS AND THE SECOND VEHICLE, AND COMPARISON MEANS CONNECTED TO RECEIVE THE FIRST AND SECOND SIGNAL QUANTITIES AND TO DEVELOP AN OUTPUT SIGNAL INDICATING THE NECESSITY FOR DECREASING THE SPEED OF THE FIRST VEHICLE WHENEVER THE FIRST SIGNAL QUANTITY IS GREATER THAN THE SECOND SIGNAL QUANTITY.
Claim 2
Dependent Claim
149 words
IN A SYSTEM FOR PREVENTING COLLISIONS BETWEEN AUTOMOTIVE VEHICLES CARRYING SIGNAL TRANSMITTER MEANS AND TRAVELING ALONG A COMMON PATH; RECEIVING APPARATUS CARRIED BY A FIRST VEHICLE AND INCLUDING FIRST OMNIDIRECTIONAL RECEIVER MEANS FORWARDLY MOUNTED ON THE VEHICLE AND RESPONSIVE TO A SIGNAL TRANSMITTED FROM THE SECOND VEHICLE TO DEVELOP A FIRST SIGNAL QUANTITY RELATED IN MAGNITUDE TO THE DISTANCE BETWEEN THE FIRST RECEIVER MEANS AND THE SECOND VEHICLE, SECOND RECEIVER MEANS REAWARDLY MOUNTED ON THE FIRST VEHICLE AND RESPONSIVE TO A SIGNAL TRANSMITTED FROM THE SECOND VEHICLE TO DEVELOP A SECOND SIGNAL QUANTITY RELATED IN MAGNITUDE TO THE DISTANCE BETWEEN THE SECOND RECEIVER MEANS AND THE SECOND VEHICLE, AND COMPARISON MEANS CONNECTED TO RECEIVE THE FIRST AND SECOND SIGNAL QUANTITIES AND TO DEVELOP AN OUTPUT SIGNAL INDICATING THE NECESSITY FOR DECREASING THE SPEED OF THE FIRST VEHICLE WHENEVER THE FIRST SIGNAL QUANTITY IS GREATER THAN THE SECOND SIGNAL QUANTITY.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |