Class 109/18 - Gravity shield

Subclass of Class 109 - Safes, bank protection, or a related device
Definition: Devices wherein the shield upon release falls by the action
No. of patents: 1
Last issue date: 04/18/1978

Number	Title	Issue Date
4084519	Anti-burglar window shielding system and latch mechanism therefor A system and a latch mechanism adapted to release a curtain for deployment along one side of a window to protect the latter against burglary. This system comprises a curtain, a latch mechanism releasably holding the curtain and including an actuation bell...	04/18/1978

PatentStorm