US PATENT SUBCLASS 204 / 196.21-- .~.~.~.~ Earth grounded object or protection means

US PATENT SUBCLASS 204 / 196.21
.~.~.~.~ Earth grounded object or protection means

Current as of: June, 1999
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204 /	HD	CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193	DF	APPARATUS {5}
194	DF	.~ Electrolytic {11}
196.01	DF	.~.~ Object protection {15}
196.1	DF	.~.~.~ Internal battery {10}
196.21		.~.~.~.~ Earth grounded object or protection means

DEFINITION

Classification: 204/196.21

Earth grounded object or protection means:

(under subclass 196.1) Apparatus which is or protects an object which is electrically grounded to earth, positioned

underground, or at least partly submerged in ground water (e.g., protection means is standing on ground outside, object is subsurface pipeline, object is a ship hull in an ocean, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

196.36, for an electrolytic object protection apparatus which is earth grounded or is used to protect an earth grounded object but without internal battery means.