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US3773138A Expired / Lapsed US ⏱️ 0.0 years remaining

Anti-theft arrangement for automobiles

Assignee: Individual
•
Filing: 1971-06-22
•
Granted: 1973-11-20
•
Expires: 1991-06-22
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Abstract

Abstract An automobile ignition system in which the coil, distributor, ignition switch, and related wiring are housed in a heavy walled enclosure securely mounted to the vehicle firewall. The enclosure has a locking cover and prevents the ''''hot wiring'''' of the ignition system.

Inventors

  • 👤 W Killmeyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:31
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/04; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5889; Y10T70/5903; Y10T70/5907; Y10T70/5969

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 146 words
In a vehicle having an engine compartment, a passenger compartment, a firewall separating the engine and passenger compartments, an internal combustion engine in the engine compartment, and an ignition system for the engine including a key operated ignition switch, a coil, and a distributor, an improved anti-theft arrangement comprising: a steel walled enclosure secured to the firewall on the passenger compartment side thereof, the enclosure having an opening permitting access to the interior of the enclosure, the ignition switch being mounted through a wall of the enclosure with the key insertable from the outside the enclosure and all electrical connections to the switch being within the enclosure, the coil and the distributor and the electrical connections between the switch, the coil and the distributor being entirely within the enclosure; a steel cover for the enclosure opening; and locking means for securing the cover to the enclosure.
Claim 2
Dependent Claim 146 words
In a vehicle having an engine compartment, a passenger compartment, a firewall separating the engine and passenger compartments, an internal combustion engine in the engine compartment, and an ignition system for the engine including a key operated ignition switch, a coil, and a distributor, an improved anti-theft arrangement comprising: a steel walled enclosure secured to the firewall on the passenger compartment side thereof, the enclosure having an opening permitting access to the interior of the enclosure, the ignition switch being mounted through a wall of the enclosure with the key insertable from the outside the enclosure and all electrical connections to the switch being within the enclosure, the coil and the distributor and the electrical connections between the switch, the coil and the distributor being entirely within the enclosure; a steel cover for the enclosure opening; and locking means for securing the cover to the enclosure.
Claim 3
Dependent Claim 167 words
In a vehicle having an engine compartment, a passenger compartment, a firewall separating the engine and passenger compartments, an internal combustion engine in the engine compartment, and an ignition system for the engine including a key operated ignition switch, a coil, and a distributor, an improved anti-theft arrangement comprising: a steel walled enclosure secured to the firewall on the passenger compartment side thereof, the enclosure having an opening permitting access to the interior of the enclosure, the ignition switch being mounted through a wall of the enclosure with the key insertable from outside the enclosure and all electrical connections to the switch being within the enclosure, the coil and the electrical connections between the switch and the coil being entirely within the enclosure; a steel cover for the enclosure opening; locking means securing the cover to the enclosure; means detecting the opening of the cover; and a relay controlled by the detecting means and operative to disconnect the switch from the coil upon opening of the cover.
Claim 4
Dependent Claim 167 words
In a vehicle having an engine compartment, a passenger compartment, a firewall separating the engine and passenger compartments, an internal combustion engine in the engine compartment, and an ignition system for the engine including a key operated ignition switch, a coil, and a distributor, an improved anti-theft arrangement comprising: a steel walled enclosure secured to the firewall on the passenger compartment side thereof, the enclosure having an opening permitting access to the interior of the enclosure, the ignition switch being mounted through a wall of the enclosure with the key insertable from outside the enclosure and all electrical connections to the switch being within the enclosure, the coil and the electrical connections between the switch and the coil being entirely within the enclosure; a steel cover for the enclosure opening; locking means securing the cover to the enclosure; means detecting the opening of the cover; and a relay controlled by the detecting means and operative to disconnect the switch from the coil upon opening of the cover.
Claim 5
Dependent Claim 17 words
The anti-theft arrangement according to claim 7 further including means to manually override the means for detecting.

References Cited (Backward Citations)

US1549325A Cited
US1974944A Cited
US1348090A Cited
US1889343A Cited
US2483284A Cited
US2861644A Cited
US3010531A Cited
US3585584A Cited
US3637037A Cited
US3651329A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-11-19 1977-05-21 1977-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-11-19 1981-05-21 1981-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-11-19 1985-05-21 1985-11-20 $7700.00 Window Closed / Lapsed

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