Patent · US Expired

Snap switch alarm

US4253084A · kind A · utility

15Cited by
3References
5Claims
0Family size

Inventor

Key dates

Filing dateOct 9, 1979
Grant dateFeb 24, 1981
Priority date
Expiry dateOct 9, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2325/304
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An alarm system which is actuated by the unfastening of a snap used on the covering for an automobile or boat. A push-button switch and switch connections make electrical contact when the snap sections are disengaged. Any unauthorized snap disengagements will set off an alarm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.