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Class Information
Number: 175/254
Name: Boring or penetrating the earth > With means movable relative to tool to receive, retain, or sever undisturbed core > Core-retaining or severing means > Mounted on transverse pivot
Description: Apparatus in which the retaining or severing means moves toward the longitudinal axis of the core by swinging movement about a pivot axis which is substantially transverse to the longitudinal axis of the core.

Patents under this class:

Patent Number Title Of Patent Date Issued
6009960 Coring tool Jan. 4, 2000
5487433 Core separator assembly Jan. 30, 1996
5411106 Method and apparatus for acquiring and identifying multiple sidewall core samples May. 2, 1995
5146999 Shoe assembly with catcher for coring Sep. 15, 1992
4930587 Coring tool Jun. 5, 1990
4848484 Soil sample extraction tool Jul. 18, 1989
4059155 Junk basket and method of removing foreign material from a well Nov. 22, 1977

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