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US3779332A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety ignition lock

Assignee: Individual
•
Filing: 1969-10-20
•
Granted: 1973-12-18
•
Expires: 1989-10-20
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Abstract

Abstract An automotive anti-theft device wherein the ignition switch is positioned in the driver''s door and is interrelated with the door locking mechanism. The interrelationship between the door locking mechanism and the ignition switch is such that the key cannot be inserted in the ignition switch until the door is locked and the door cannot be unlocked until the key is removed.

Inventors

  • 👤 J Snitgen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 03:28
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/04; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5889; Y10T70/5969; Y10T70/80; Y10T70/8432; Y10T70/8649

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 70 words
In a motor vehicle having a keY operated ignition switch and a door lock operable between a locked position and a released position when a key is not present in said ignition switch, the improvement comprising means for precluding closing of said ignition switch until said door lock is locked, wherein the means for precluding closing of the switch comprises means for precluding entry of a key into the switch.
Claim 2
Dependent Claim 70 words
In a motor vehicle having a keY operated ignition switch and a door lock operable between a locked position and a released position when a key is not present in said ignition switch, the improvement comprising means for precluding closing of said ignition switch until said door lock is locked, wherein the means for precluding closing of the switch comprises means for precluding entry of a key into the switch.
Claim 3
Dependent Claim 32 words
The device as set forth in claim 1 wherein the means for precluding the entry of the key into the switch includes linkage means for interconnecting the door lock with said means.
Claim 4
Dependent Claim 25 words
The device as set forth in claim 2 wherein the ignition switch and the door lock are carried by the driver''s door of the vehicle.
Claim 5
Dependent Claim 86 words
In a motor vehicle having a key operated ignition switch and a door lock operable between a locked position and a released position when a key is not present in said ignition switch, the improvement comprising means for precluding closing of said ignition switch until said door lock is locked, wherein the means for precluding closing of the ignition switch until the door lock is locked further includes means for requiring removal of the key from the ignition switch before the door lock can be unlocked.
Claim 6
Dependent Claim 86 words
In a motor vehicle having a key operated ignition switch and a door lock operable between a locked position and a released position when a key is not present in said ignition switch, the improvement comprising means for precluding closing of said ignition switch until said door lock is locked, wherein the means for precluding closing of the ignition switch until the door lock is locked further includes means for requiring removal of the key from the ignition switch before the door lock can be unlocked.
Claim 7
Dependent Claim 54 words
The device as set froth in claim 4 wherein the means for precluding closing of the switch until the door is locked and unlocking of the door until the key is removed includes means for blocking the key receiving opening of the switch and linkage means interconnecting said blocking means with said door lock.
Claim 8
Dependent Claim 25 words
The device as set forth in claim 5 further including a driver''s door, the ignition switch and the lock being carried by the driver''s door.
Claim 9
Dependent Claim 87 words
In a motor vehicle having a key operated ignition switch and a door lock, the improvement comprising blocking means adapted to engage a key in said ignition switch and linkage means interconnecting said door lock and said blocking means for moving said blocking means into engagement with a key in said ignition switch when an attempt is made to move said door lock from its locked position to its released position for insuring removal of the key from said ignition switch before said door lock is released.
Claim 10
Dependent Claim 87 words
In a motor vehicle having a key operated ignition switch and a door lock, the improvement comprising blocking means adapted to engage a key in said ignition switch and linkage means interconnecting said door lock and said blocking means for moving said blocking means into engagement with a key in said ignition switch when an attempt is made to move said door lock from its locked position to its released position for insuring removal of the key from said ignition switch before said door lock is released.
Claim 11
Dependent Claim 25 words
The device as set forth in claim 7 further including an operator''s door, said ignition switch and said door lock being carried by said door.

References Cited (Backward Citations)

US1466758A Cited
US1746214A Cited
US2010736A Cited
US2944123A Cited
US3104124A Cited
US3246495A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-12-17 1977-06-18 1977-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-17 1981-06-18 1981-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-17 1985-06-18 1985-12-18 $7700.00 Window Closed / Lapsed

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