US PATENT SUBCLASS 116 / 81
.~.~.~ Cord controlled
Current as of: June, 1999
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DEFINITION
Classification: 116/81
(under subclass 77) Devices in which trains or clock-work or the triggers of detonating devices are released by the rupture or slackening of a cord stretched across pathways or connected to doors or windows.
SEE OR SEARCH THIS CLASS, SUBCLASS:
94, for closure operated clockwork bell, cable control alarms.
165, for pull cord or rod operated bell.