Window security device
US4633233A · kind A · utility
3Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1985 |
| Grant date | Dec 30, 1986 |
| Priority date | — |
| Expiry date | Feb 19, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/20
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A window security device adapted for use in a vacuum environment. The device includes a conductive seal in electrical communication with an alarm. When the vacuum is disturbed the seal falls out of contact with the alarm circuit, activating the alarm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.