Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1988-06-06
1989-08-08
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
49 74, 49 90, 340541, 340665, G08B 1302
Patent
active
048557161
ABSTRACT:
A security awning window is presented with increased safety factors which grant protection against both adverse weather conditions and unauthorized entry. Alarm struts span the window which, if deflected act as a switch for an audible alarm and also engage the panels to provide increased burglar or adverse weather protection.
REFERENCES:
patent: 3058175 (1962-10-01), Keulemans
patent: 4813183 (1989-03-01), Jordahl
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