73331773
Oct 9, 1981
Apr 3, 1984
Active Trademark
Manually Settable Relay Switches Adapted for Connection to a Power Network, and Controlling Power Loads for Programmed ON-OFF Operation Based: on Time, for Example Minutes, Hours, Days, Days of Weeks, Weeks, and the Like, and Fractions Thereof; or on Count; or on Temperature; or on Light Level; or on Combinations of the Foregoing
Electrical and Scientific Apparatus