| |
 |
|
Class Information
Number: 33/424
Name: Geometrical instruments > Straightedge type > Square and pivoted straightedge > With protractor
Description: Subject matter including a device having a circular pattern of indicia for indicating angles in degrees.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7430810 |
Laser square protractor kit |
Oct. 7, 2008 |
| 7278217 |
Trigonometric teaching aid |
Oct. 9, 2007 |
| 7269909 |
Rafter layout tool |
Sep. 18, 2007 |
| 7188427 |
Multi-task protractor |
Mar. 13, 2007 |
| 7003891 |
Compact miter apparatus |
Feb. 28, 2006 |
| 6954990 |
Angle measuring device |
Oct. 18, 2005 |
| 6892467 |
Method and apparatus for edge locating and angle setting |
May. 17, 2005 |
| 6553676 |
Protractor |
Apr. 29, 2003 |
| 6330752 |
Adjustable squaring tool |
Dec. 18, 2001 |
| 6101733 |
Saw blade alignment tool |
Aug. 15, 2000 |
| 5983509 |
Marine navigation device |
Nov. 16, 1999 |
| 5809659 |
Angle guide instrument |
Sep. 22, 1998 |
| 5632096 |
Saw blade alignment tool |
May. 27, 1997 |
| 5539991 |
Adjustable sheathing square |
Jul. 30, 1996 |
| 5533270 |
Method and apparatus for measuring stairs |
Jul. 9, 1996 |
| 5461794 |
Movable type measurement scale at variable angles |
Oct. 31, 1995 |
| 5419053 |
Measuring tool |
May. 30, 1995 |
| 5388339 |
Tri-square protractor |
Feb. 14, 1995 |
| 5117560 |
Full circle protractor with detachable adjustable leg assembly for measuring angles |
Jun. 2, 1992 |
| 5113590 |
Protractor |
May. 19, 1992 |
| 5040298 |
Protractor with electronic measuring device and digital display |
Aug. 20, 1991 |
| 4835877 |
Try square protractor |
Jun. 6, 1989 |
| 4731933 |
Protractor-chalkline |
Mar. 22, 1988 |
| 4509268 |
Dental curet sharpening guide |
Apr. 9, 1985 |
| 4369583 |
Plotting device |
Jan. 25, 1983 |
| 4358898 |
Protractor |
Nov. 16, 1982 |
| 4221055 |
Drafting instrument |
Sep. 9, 1980 |
| 4208804 |
Ruler means for dividing a distance |
Jun. 24, 1980 |
|
|
|
