US3947693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push button electrical combination ignition lock
Assignee: Individual
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Filing: 1974-06-11
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Granted: 1976-03-30
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Expires: 1994-06-11
Abstract
Abstract An electrical push button ignition combination lock wired into the electric circuit of the motor of a vehicle or power boat. The ignition combination lock comprises a box housing plurality of mounted push buttons each joined to an individual slidable rod, each of which actuates an electrical switch, when the button is pushed. Pushing the proper combination of buttons energizes a relay to complete the ignition circuit, while the pressing of any of the other buttons grounds the circuit and disables the device.
Inventors
- 👤 Joel L. Eskenas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:23
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/20; B60R25/23; B60R25/01; B60R25/04; H; H01; H01H; H01H27/00; H01H27/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
206 words
An electrical switching device connected to the ignition circuit of the motor of a vehicle which permits connection of power to the ignition circuit when the proper combination of switches mounted on the device are simultaneously manually operated and which disables the electrical circuit when one or more disabling switches are manually operated comprising a switch box on which a plurality of push buttons are mounted for the individual operation of momentary normally open switches, with a first group of said switches wired together in series to a circuit for connecting a self-latching relay to a power supply circuit, and with one or more of a second group of said switches wired in parallel together, and to a circuit joining the opposite poles of the power supply circuit, together with an electrical fuse connected in series with the power supply line leading to all the switches of the second group and to one of the switches of the first group, such that operation of any of the parallel wired switches will cause the fuse to blow, said relay having a normally open contactor that joins the ignition circuit of the motor through said fuse to the power supply when the relay is in the energized state.
Claim 2
Dependent Claim
206 words
An electrical switching device connected to the ignition circuit of the motor of a vehicle which permits connection of power to the ignition circuit when the proper combination of switches mounted on the device are simultaneously manually operated and which disables the electrical circuit when one or more disabling switches are manually operated comprising a switch box on which a plurality of push buttons are mounted for the individual operation of momentary normally open switches, with a first group of said switches wired together in series to a circuit for connecting a self-latching relay to a power supply circuit, and with one or more of a second group of said switches wired in parallel together, and to a circuit joining the opposite poles of the power supply circuit, together with an electrical fuse connected in series with the power supply line leading to all the switches of the second group and to one of the switches of the first group, such that operation of any of the parallel wired switches will cause the fuse to blow, said relay having a normally open contactor that joins the ignition circuit of the motor through said fuse to the power supply when the relay is in the energized state.
Claim 3
Dependent Claim
28 words
The combination as recited in claim 1 in which the fuse is located in a box, the cover of which is fitted with a removable key operated lock.
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) | 1979-03-30 | 1979-09-29 | 1980-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-30 | 1983-09-29 | 1984-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-30 | 1987-09-29 | 1988-03-30 | $7700.00 | Window Closed / Lapsed |