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Class Information
Number: 33/492
Name: Geometrical instruments > Straightedge type > Rules > Edge details
Description: Subject matter wherein the straightedge is constructed to provide a ruling edge having one or more designs on said edge for drawing other than straight lines.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7490412 |
Drafting tool |
Feb. 17, 2009 |
| 7168178 |
Ruler with rubber overmolded to stainless steel base |
Jan. 30, 2007 |
| 7155838 |
Apparatus for gauging a dimension of an object |
Jan. 2, 2007 |
| 7137206 |
Writing guide |
Nov. 21, 2006 |
| 7096592 |
Method and apparatus for locating hole positions on an adjustable stair stringer |
Aug. 29, 2006 |
| 6944963 |
Pattern-profile measuring device |
Sep. 20, 2005 |
| 6889442 |
Measurement device and method of use with curves |
May. 10, 2005 |
| 6860046 |
Shelf glide divider gauge and method |
Mar. 1, 2005 |
| 6851201 |
Drywall T-square |
Feb. 8, 2005 |
| 6839977 |
Method and apparatus for locating hole positions on an adjustable stair stringer |
Jan. 11, 2005 |
| 6513255 |
Machinist's accuracy testing tool |
Feb. 4, 2003 |
| 6370785 |
Strip counting gauge |
Apr. 16, 2002 |
| 6349479 |
Ruler for guiding a blade and for providing shielding protection from the blade for the hand holding the ruler |
Feb. 26, 2002 |
| 6336277 |
Measuring stop device for a distance-measuring apparatus |
Jan. 8, 2002 |
| 6305093 |
Hanger tool to facilitate centering and hanging of a component |
Oct. 23, 2001 |
| 6163970 |
Linear encoder with a modular scale and a method of producing same |
Dec. 26, 2000 |
| 6145210 |
Accessorized collapsible multiscale |
Nov. 14, 2000 |
| 6098301 |
Chain measuring system |
Aug. 8, 2000 |
| 6061920 |
Measuring device for topographical maps |
May. 16, 2000 |
| 5943974 |
Gathering gauge |
Aug. 31, 1999 |
| 5813127 |
Art deckle |
Sep. 29, 1998 |
| 5771598 |
Measurement device with British/metric scales |
Jun. 30, 1998 |
| 5632095 |
Incremental marked framing lumber product and method |
May. 27, 1997 |
| 5501019 |
Measuring and drawing instrument |
Mar. 26, 1996 |
| 5471755 |
Hand protection device |
Dec. 5, 1995 |
| 5033200 |
Scientific ruler |
Jul. 23, 1991 |
| 4989335 |
Wallpaper knife guide |
Feb. 5, 1991 |
| 4924594 |
Double cut edger |
May. 15, 1990 |
| 4742619 |
Marking tool with wear rims |
May. 10, 1988 |
| 4531302 |
Replacement edge drafting apparatus |
Jul. 30, 1985 |
| 4462168 |
Variable angle straight edge |
Jul. 31, 1984 |
| 4339881 |
Parallel-ruling straightedge |
Jul. 20, 1982 |
| 4312133 |
T-Square |
Jan. 26, 1982 |
| 4075467 |
Illuminated drafting instrument |
Feb. 21, 1978 |
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