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Class Information
Number: 33/535
Name: Geometrical instruments > Gauge > Angle > Squareness
Description: Subject matter wherein the contact member checks for a ninety degree angle formed by one side of an article and an adjacent side of the same article.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7458168 |
Concentricity measuring apparatus and method, squareness measuring apparatus and method, and concentricity-squareness measuring apparatus and method |
Dec. 2, 2008 |
| 7191539 |
Ice-skate blade squareness verification device |
Mar. 20, 2007 |
| 7069778 |
Fixture for testing spring squareness under a load |
Jul. 4, 2006 |
| 6644102 |
Golf club fixture |
Nov. 11, 2003 |
| 6594914 |
Ice skate blade squaring gauge |
Jul. 22, 2003 |
| 6481113 |
Ice skate blade gauge |
Nov. 19, 2002 |
| 5522147 |
Edge locating device |
Jun. 4, 1996 |
| 5377419 |
Method and means for measuring squareness of two opposing corners on plate structures |
Jan. 3, 1995 |
| 5345688 |
Method and device for measuring squareness of ice skate blades |
Sep. 13, 1994 |
| 5343627 |
Method and means for measuring squareness of plate structures |
Sep. 6, 1994 |
| 5231766 |
Apparatus and method for examining the evenness of an end of a pipe |
Aug. 3, 1993 |
| 5133135 |
Angle gauge |
Jul. 28, 1992 |
| 5131161 |
Guide post and master cylinder squareness gage |
Jul. 21, 1992 |
| 5058284 |
Precision gauge assembly |
Oct. 22, 1991 |
| 4805315 |
Free standing squaring tool with open corners |
Feb. 21, 1989 |
| 4680869 |
Cylindrical square |
Jul. 21, 1987 |
| 4622752 |
Gauge for machine tools |
Nov. 18, 1986 |
| 4517745 |
Apparatus for measuring the shoulder of a drill pipe joint |
May. 21, 1985 |
| 4472882 |
Squareness test fixture |
Sep. 25, 1984 |
| 4434559 |
Tool for gauging the corners of workpieces of sheet metal or the like |
Mar. 6, 1984 |
| 4413417 |
Adjustable angle plate |
Nov. 8, 1983 |
| 4406069 |
Perpendicularity indicator for machine tool and method of operation |
Sep. 27, 1983 |
| 4386532 |
Instrumented tool |
Jun. 7, 1983 |
| 4375129 |
Indicating platform for machine tools |
Mar. 1, 1983 |
| 4365419 |
Alignment device for machine head |
Dec. 28, 1982 |
| 4338723 |
Angle measuring device |
Jul. 13, 1982 |
| 4333239 |
Method and apparatus for inspecting shrouds of rotor blades |
Jun. 8, 1982 |
| 4328621 |
Position sensing device |
May. 11, 1982 |
| 4218826 |
Radial arm saw alignment tool |
Aug. 26, 1980 |
| 4138821 |
Pellet length and end squareness inspection apparatus |
Feb. 13, 1979 |
| 4083116 |
Transfer gage |
Apr. 11, 1978 |
| 3939569 |
Inspection tool or device |
Feb. 24, 1976 |
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