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Class Information
Number: 33/474
Name: Geometrical instruments > Straightedge type > Plural straightedges nonadjustably fixed at right angles (e.g., t-square, triangles, squares)
Description: Subject matter comprising various straightedges which are conjointly secured at an angle of 90°.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7350306 |
Easy stairs |
Apr. 1, 2008 |
| 7281338 |
Slide mounting tools, kits and systems containing same and methods related thereto |
Oct. 16, 2007 |
| 7266899 |
Speed level |
Sep. 11, 2007 |
| 7124668 |
Alignment device |
Oct. 24, 2006 |
| 7114264 |
Length adjustable rafter square |
Oct. 3, 2006 |
| 7073240 |
Duct joint layout tool |
Jul. 11, 2006 |
| 6964111 |
Folding drywall square |
Nov. 15, 2005 |
| 6920735 |
Block positioning tool |
Jul. 26, 2005 |
| 6895683 |
Carpenter's layout tool |
May. 24, 2005 |
| 6883244 |
Picture alignment and hanging device |
Apr. 26, 2005 |
| 6868616 |
Builder's measuring and marking tool |
Mar. 22, 2005 |
| 6810592 |
Adjustable door jamb setting jig |
Nov. 2, 2004 |
| 6757983 |
Paver alignment and scribing guide tool and method of use |
Jul. 6, 2004 |
| 6725559 |
Apparatus and methods for locating embroidery center marks on an article |
Apr. 27, 2004 |
| 6725556 |
Rafter tool and method |
Apr. 27, 2004 |
| 6688014 |
Builder's measuring and marking tool |
Feb. 10, 2004 |
| 6643945 |
Universal anchor bolt template |
Nov. 11, 2003 |
| 6629372 |
Modified square |
Oct. 7, 2003 |
| 6622394 |
Boardwalk triangle-deck square |
Sep. 23, 2003 |
| 6622395 |
Measuring device for pipefitters |
Sep. 23, 2003 |
| 6591511 |
Framing square |
Jul. 15, 2003 |
| 6578279 |
Paver alignment and scribing guide tool and method of use |
Jun. 17, 2003 |
| 6553679 |
Alignment tool for clip angles |
Apr. 29, 2003 |
| 6513257 |
Method and apparatus for determining scale in photographic images |
Feb. 4, 2003 |
| 6467179 |
Measuring and drafting tool |
Oct. 22, 2002 |
| 6453573 |
Rubber stamp positioning device |
Sep. 24, 2002 |
| 6449855 |
Laser aligning and measuring device |
Sep. 17, 2002 |
| 6442856 |
Extendable tool for use marking angular lines |
Sep. 3, 2002 |
| 6351893 |
Self squaring accident diagramming template |
Mar. 5, 2002 |
| 6349478 |
Window measuring device |
Feb. 26, 2002 |
| 6343423 |
Indicator means for determining miter and bevel angles for sawing container panels |
Feb. 5, 2002 |
| 6336274 |
Right angle graphing template |
Jan. 8, 2002 |
| 6327786 |
Carpenters square with elevation attachment |
Dec. 11, 2001 |
| 6317993 |
Pipe flange square and method |
Nov. 20, 2001 |
| 6289594 |
Drywall marking and scoring guide |
Sep. 18, 2001 |
| 6272758 |
Steel worker's layout tool |
Aug. 14, 2001 |
| 6243958 |
Illuminated evidence marker |
Jun. 12, 2001 |
| 6243961 |
Deck tool |
Jun. 12, 2001 |
| 6233835 |
Scribe/guide tool adapted for stair construction |
May. 22, 2001 |
| 6230416 |
Laser square |
May. 15, 2001 |
| 6161297 |
Square holding device |
Dec. 19, 2000 |
| 6145206 |
Bucking and wrapping gauge for window installation |
Nov. 14, 2000 |
| 6122834 |
Combination framing and speed square |
Sep. 26, 2000 |
| 6101729 |
Power saw guide |
Aug. 15, 2000 |
| 6070334 |
Retaining bracket for carpenter's square |
Jun. 6, 2000 |
| 6018880 |
Straight edge guide for cutting materials |
Feb. 1, 2000 |
| 5992034 |
Attachment for the enhanced measurement accuracy of a combination square |
Nov. 30, 1999 |
| 5933974 |
Combination square, level and plumbing tool |
Aug. 10, 1999 |
| 5915808 |
Power saw guide kit |
Jun. 29, 1999 |
| 5901445 |
Method for making a builder's tool |
May. 11, 1999 |
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