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US3784839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-theft apparatus including turnover mode of operation
Assignee: Motors Liquidation Co
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Filing: 1972-07-12
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Granted: 1974-01-08
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Expires: 1992-07-12
Abstract
Abstract Starting of a motor vehicle is controlled from electronic combination lock circuitry which may be placed in a turnover mode of operation after the engine has been started to thereafter permit a predetermined number of engine starts without the entering of the lock combination.
Inventors
- 👤 J Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:41
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; G07C9/00674; G07C9/0069; B; B60; B60R; B60R25/00; B60R25/01; B60R25/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
206 words
In a motor vehicle provided with starter motor control means for controlling starting of the vehicle engine, including an ignition switch operable by an ignition key, apparatus for preventing unauthorized starting of said vehicle comprising: a keyboard unit including a plurality of operator actuable switch means, latch means for enabling said starter motor control means, latch control means responsive to actuation of said switch means in a predetermined sequence for energizing said latch means to enable said starting motor control means, said latch control means responsive to actuation of said ignition switch to an off position for releasing said latch means to disable said starter motor control means, override means for overriding said ignition switch and thereby prevent releasing of said latch means, said override means including counter means, means responsive to actuation of one of said switch means while said vehicle engine is running to program said counter means to a predetermined number of ignition switch actuations, said counter means being advanced each time said engine is started after said counter means is programmed whereby the override cOndition is terminated after said engine has been started said predetermined number of times, and means responsive to removal of said ignition key for resetting said counter means.
Claim 2
Dependent Claim
206 words
In a motor vehicle provided with starter motor control means for controlling starting of the vehicle engine, including an ignition switch operable by an ignition key, apparatus for preventing unauthorized starting of said vehicle comprising: a keyboard unit including a plurality of operator actuable switch means, latch means for enabling said starter motor control means, latch control means responsive to actuation of said switch means in a predetermined sequence for energizing said latch means to enable said starting motor control means, said latch control means responsive to actuation of said ignition switch to an off position for releasing said latch means to disable said starter motor control means, override means for overriding said ignition switch and thereby prevent releasing of said latch means, said override means including counter means, means responsive to actuation of one of said switch means while said vehicle engine is running to program said counter means to a predetermined number of ignition switch actuations, said counter means being advanced each time said engine is started after said counter means is programmed whereby the override cOndition is terminated after said engine has been started said predetermined number of times, and means responsive to removal of said ignition key for resetting said counter means.
Claim 3
Dependent Claim
193 words
In a motor vehicle provided with an electrical load device for controlling usage of the vehicle, apparatus for preventing unauthorized usage of said vehicle comprising: input means including a plurality of operator actuable switch means, latch means for enabling said load device, latch control means responsive to actuation of said switch means in a predetermined sequence for energizing said latch means to enable said load device, an additional operator actuable switch means, said latch control means responsive to actuation of said additional switch means for releasing said latch means to disable said load device, override means for overriding said additional operator actuable switch means and thereby preventing release of said latch means, said override means including counter means, means responsive to actuation to one of said plurality of operator actuable switch means while said load device is enabled to program said counter means to a predetermined number of actuations of said additional operator-actuable switch means, said counter means being advanced each time said additional switch means is actuated after said counter means is programmed whereby the override condition is terminated after said additional switch means has been actuated said predetermined number of actuations.
Claim 4
Dependent Claim
193 words
In a motor vehicle provided with an electrical load device for controlling usage of the vehicle, apparatus for preventing unauthorized usage of said vehicle comprising: input means including a plurality of operator actuable switch means, latch means for enabling said load device, latch control means responsive to actuation of said switch means in a predetermined sequence for energizing said latch means to enable said load device, an additional operator actuable switch means, said latch control means responsive to actuation of said additional switch means for releasing said latch means to disable said load device, override means for overriding said additional operator actuable switch means and thereby preventing release of said latch means, said override means including counter means, means responsive to actuation to one of said plurality of operator actuable switch means while said load device is enabled to program said counter means to a predetermined number of actuations of said additional operator-actuable switch means, said counter means being advanced each time said additional switch means is actuated after said counter means is programmed whereby the override condition is terminated after said additional switch means has been actuated said predetermined number of actuations.
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |