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Class Information
Number: 33/476
Name: Geometrical instruments > Straightedge type > Plural straightedges nonadjustably fixed at right angles (e.g., t-square, triangles, squares) > With special scale markings
Description: Subject matter provided with indicia pertaining to a specific type of a measurement desired.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7124668 |
Alignment device |
Oct. 24, 2006 |
| 7096592 |
Method and apparatus for locating hole positions on an adjustable stair stringer |
Aug. 29, 2006 |
| 7073240 |
Duct joint layout tool |
Jul. 11, 2006 |
| 6920735 |
Block positioning tool |
Jul. 26, 2005 |
| 6868616 |
Builder's measuring and marking tool |
Mar. 22, 2005 |
| 6839977 |
Method and apparatus for locating hole positions on an adjustable stair stringer |
Jan. 11, 2005 |
| 6758016 |
Adjustable support for steps |
Jul. 6, 2004 |
| 6725559 |
Apparatus and methods for locating embroidery center marks on an article |
Apr. 27, 2004 |
| 6708417 |
Large panel sheathing square |
Mar. 23, 2004 |
| 6691422 |
Photographic cropping method and device |
Feb. 17, 2004 |
| 6688014 |
Builder's measuring and marking tool |
Feb. 10, 2004 |
| 6578278 |
Saddle protractor |
Jun. 17, 2003 |
| 6470582 |
Apparatus and method of drawing a line perpendicular to a reference line |
Oct. 29, 2002 |
| 6415520 |
Apparatus and method for facilitating accurate placement and installation of crown molding |
Jul. 9, 2002 |
| 6408529 |
Multi-purpose framing square |
Jun. 25, 2002 |
| 6336274 |
Right angle graphing template |
Jan. 8, 2002 |
| 6308699 |
Paving brick template |
Oct. 30, 2001 |
| 6092297 |
Videocassette time measurement device |
Jul. 25, 2000 |
| 5901445 |
Method for making a builder's tool |
May. 11, 1999 |
| 5875557 |
Scale |
Mar. 2, 1999 |
| 5819422 |
Transparent measuring device and method of making |
Oct. 13, 1998 |
| 5778547 |
Electronic combination square |
Jul. 14, 1998 |
| 5727325 |
Multipurpose square |
Mar. 17, 1998 |
| 5519943 |
Apparatus and method for providing an octagonal shaped object |
May. 28, 1996 |
| 5497558 |
Multi-function drafting instrument |
Mar. 12, 1996 |
| 5456015 |
Construction framing square |
Oct. 10, 1995 |
| 5419054 |
Triangular drafting instrument |
May. 30, 1995 |
| 5353509 |
Multi-purpose T-square and level combination tool |
Oct. 11, 1994 |
| 5349758 |
Woodworking square having multiple uses |
Sep. 27, 1994 |
| 5309642 |
Mat marking and cutting apparatus |
May. 10, 1994 |
| 5269066 |
Carpenters level and square |
Dec. 14, 1993 |
| 5253426 |
Multi-purpose square |
Oct. 19, 1993 |
| 5239762 |
Layout tool |
Aug. 31, 1993 |
| 5212890 |
Access area measurement apparatus |
May. 25, 1993 |
| 5170570 |
Hand, finger and joint measuring gauge |
Dec. 15, 1992 |
| 5170568 |
Roofing speed square and method of use |
Dec. 15, 1992 |
| 5152122 |
Method for adjusting an inserting machine |
Oct. 6, 1992 |
| 5140755 |
Layout square |
Aug. 25, 1992 |
| 5090129 |
Carpenter square |
Feb. 25, 1992 |
| 4936020 |
Layout template for picture framing mat |
Jun. 26, 1990 |
| 4893414 |
Apparatus for measuring video cassette tape usage |
Jan. 16, 1990 |
| 4811489 |
Pipe fitters tape measure strip |
Mar. 14, 1989 |
| 4779346 |
Transparent measuring device with multicolored lines |
Oct. 25, 1988 |
| 4733477 |
Chalk line framing square |
Mar. 29, 1988 |
| 4644663 |
Measuring device |
Feb. 24, 1987 |
| 4574492 |
Combination layout tool and square |
Mar. 11, 1986 |
| 4551923 |
Drawing triangle |
Nov. 12, 1985 |
| 4538352 |
Shrinkage compensated measuring device |
Sep. 3, 1985 |
| 4505041 |
Perspective drawing templates |
Mar. 19, 1985 |
| 4499666 |
Universal framing layout tool |
Feb. 19, 1985 |
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