US PATENT SUBCLASS 73 / 11.03-- .~ Pile driving hammer

US PATENT SUBCLASS 73 / 11.03
.~ Pile driving hammer

Current as of: June, 1999
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73 /	HD	MEASURING AND TESTING

11.01	DF	TESTING IMPACT DELIVERING DEVICE (E.G., A HAMMER) {2}
11.03		.~ Pile driving hammer

DEFINITION

Classification: 73/11.03

Pile driving hammer:

(under subclass 11.01) Subject matter wherein the device being tested comprises an impact hammer for driving a columnar structure into the earth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12.01+, for testing by impact, per se.

82, for an impactor for testing hardness.

84, for testing soil hardness by driving a pile into soil.

488+, for speed and acceleration measuring, per se.

SEE OR SEARCH CLASS

72, Metal Deforming, 53, for metal deforming by shot blasting.

405, Hydraulic and Earth Engineering,

232+, for a process or an apparatus for installing a pile.