Auto door lock alarm
US3936673A · kind A · utility
30Cited by
2References
10Claims
0Family size
Inventors
Key dates
| Filing date | Feb 24, 1975 |
| Grant date | Feb 3, 1976 |
| Priority date | — |
| Expiry date | Feb 24, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7706
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A combination key operated vehicle door lock and burglar alarm switch having a cylinder lock which is mounted on the vehicle door and operated by a prescribed key. A semi-circular shaft axially extends from the cylinder lock and supports a latching device which is utilized for controlling the opening and closing of the door, as well as a switch device which is utilized for completing the electrical circuit of the burglar alarm system. The single key is utilized to both operate the opening of the door as well as the arming of the burglar alarm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.