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Class 235/37 - Cylinder


Subclass of Class 235 - Registers
Definition: Fare-registers having two sets of registering devices, as
No. of patents: 1
Last issue date: 07/18/1978


NumberTitleIssue Date
4101877Mail delivery alarm system
A system for activating a light and music box in the home when mail is deposited in a mail box located outside the home, and for deactivating the light and music box when the mail is removed. Switch means is provided inside the mail box and a circuit is a...
07/18/1978
 
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