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Class 33/558.04 - Having adjustable legs


Subclass of Class 33 - Geometrical instruments
Definition: Subject matter including means to move or hold legs of the
No. of patents: 10
Last issue date: 12/25/2007


NumberTitleIssue Date
7311676Portable non-invasive device for measuring the hardness of muscle or muscle compartment
The device is a portable non-invasive device which uses purely mechanical components to measure the hardness of muscle or muscle compartment. It is comprised of two long members coupled rotationally in a scissor-like manner with the handles on one side of the hinge ...
12/25/2007
6823603Device for enabling a single user to easily and accurately mark right and oblique angles and method for employing same
The present invention is directed to an apparatus and method for marking an angles relative to a baseline, the apparatus comprising two elongate arms, one arm having a length greater than that of the other, the arms being pivotally joined at one end by a connecting ...
11/30/2004
6647637Use of magneto-resistive sensors for borehole logging
A downhole caliper instrument utilizing a linear or arcuate magneto resistive sensor to determine the position of one or more caliper arms which extend from a carrier tool to touch the surface of a borehole wall. A processor and firmware are included to c...
11/18/2003
6560889Use of magneto-resistive sensors for borehole logging
A downhole caliper instrument utilizing a magneto resistive sensor to determine the position of a caliper arm which extends to touch the surface of the borehole wall....
05/13/2003
5630278Circle compass
A device for forming circles that includes a first member which is rotatably attached to a second member. The first and second members include a first peripheral section and a second peripheral section, with one of the sections being arcuate. The first pe...
05/20/1997
5515616Seal splitter gage
A gage for splitting annular seals by establishing two points on a seal's outer edge for cutting lines, and planes through which the cuts should extend. The gage includes two pivotally connected arms equipped with collar assemblies. The collar assemblies ...
05/14/1996
5115571Reversible pen-caliper device and method
A pen-caliper device includes a pen assembly having a pen barrel, a ballpoint ink cartridge in the barrel, and a mechanism engaging the ink cartridge and the barrel for advancing the ink cartridge to position a ballpoint of the ink cartridge for writing, ...
05/26/1992
4377911Contour measuring instrument
A measuring instrument for measuring the contour of the outer surface of a workpiece. This measuring instrument is of such an arrangement that the tip end of a stylus solidly secured at one end of an arm adapted for rotational movement is brought into con...
03/29/1983
4302881Calibrated conduit caliper and method
A well conduit caliper tool which simultaneously measures the remaining wall thickness of a well conduit in situ and the minimum inside diameter of such conduit. A caliper feeler arm element which extends out the furthermost distance from the caliper tool...
12/01/1981
4163322Compass with fine adjustment
A compass is provided which includes a fine adjustment mechanism comprising lateral spreader bars attached to the respective compass legs and a central drive wheel meshing with the spreader bars. The spreader bars and drive wheel are located in a compass ...
08/07/1979
 
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