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Class Information
Number:
968/816
Name:
Horology
>
Apparatus which can be set and started to measure off predetermined or adjustably fixed time intervals with driving mechanisms, e.g., dosimeter with clockwork, etc. (electric time or time-program switches h01h 43/00) [g04f 3/00]
>
With electric driving mechanisms [g04f 3/06]
> Additional arrangements in connection with ordinary electric clocks for this purpose [g04f 3/08]
Description:
Patents under this class:
Patent Number
Title Of Patent
Date Issued
4687341
Timer
Aug. 18, 1987
4659233
Timepiece with built-in timer
Apr. 21, 1987
3988885
Digital timer means and method of making the same
Nov. 2, 1976
3969886
Digital electronic watch for displaying both time and the time remaining within a preselected time period
Jul. 20, 1976
3930359
Digital cooking timer means having concentric time indicator disc and manual readout indicator
Jan. 6, 1976
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