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PCE
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IPC Main Group
G04F 1/00

Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
HOROLOGY
Subclass:
TIME-INTERVAL MEASURING

2 direct subcodes

Child Classifications

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  • G04F 1/02 by consuming prefixed quantities of materials, e.g. by burning candle