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Patent drawing - Analog clock with digital display Public domain image

description

Summary

Inner workings of a "flip clock" where a digital display is driven by a system of gears and motors.

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patents patent drawings us patent office 3 number clockworks split flap clocks split flap displays united states patent drawings inventions
date_range

Date

30/11/1965
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Source

USPTO
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Link

http://uspto.gov/
copyright

Copyright info

public domain

label_outline Explore Clockworks

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patents patent drawings us patent office 3 number clockworks split flap clocks split flap displays united states patent drawings inventions