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Class Information
Number: 33/483
Name: Geometrical instruments > Straightedge type > Rules
Description: Subject matter comprising a single nonattached straight bar of rigid enough material to guide a tool for drawing straight lines and having some type of indicia on the straightedge for making some type of measurement.










Sub-classes under this class:

Class Number Class Name Patents
33/492 Edge details 42
33/493 Particular material 31
33/494 Special scale markings 191
33/484 With attachment 71


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8677641 Artists relative measuring device Mar. 25, 2014
8601700 Sprinkler drop ruler Dec. 10, 2013
8499466 Ruler for tool Aug. 6, 2013
8468705 Electronic scaling ruler Jun. 25, 2013
8359759 Scale coupling system Jan. 29, 2013
8096058 Measuring device Jan. 17, 2012
8087178 Artist relative measure device Jan. 3, 2012
7895760 Universal design sheet material holder assembly Mar. 1, 2011
7849640 Track for metal stud walls Dec. 14, 2010
7788817 Ruler Sep. 7, 2010
7774948 Universal design straightedge Aug. 17, 2010
7631437 Electronic ruler Dec. 15, 2009
7621056 Ruler Nov. 24, 2009
7595482 Standard component for length measurement, method for producing the same, and electron beam metrology system using the same Sep. 29, 2009
7574806 Adjustment structure of garden shears Aug. 18, 2009
7316069 Pipe cutting apparatus and method Jan. 8, 2008
7287334 Locomotive wheel reference groove diameter measuring device Oct. 30, 2007
7285251 Tool for loading reactor tubes Oct. 23, 2007
7162805 Measuring and marking guide tool Jan. 16, 2007
7134214 Illuminated ruler Nov. 14, 2006
7100295 Measuring device Sep. 5, 2006
7032319 Ruler with anti-slipping member Apr. 25, 2006
6925724 Quilting ruler Aug. 9, 2005
6919517 Beam scale with user friendly features Jul. 19, 2005
6851196 Ruler for cutting sheet material Feb. 8, 2005
6843279 Jacketed pipe insulation with integral ruler Jan. 18, 2005
6782629 Straight edge to facilitate holding and measuring and to provide protection when cutting Aug. 31, 2004
6725559 Apparatus and methods for locating embroidery center marks on an article Apr. 27, 2004
6692032 Mole monitoring system Feb. 17, 2004
6684522 Device for measuring wood blocks and method Feb. 3, 2004
6595836 Calibration device for pad conditioner head of a CMP machine Jul. 22, 2003
6543141 Safety ruler and guide for rotary cutters Apr. 8, 2003
6434844 See-thru engineering instrument Aug. 20, 2002
6427344 Drawing compass Aug. 6, 2002
6315469 Tool and method for adjustment of printhead to platen spacing in a printer Nov. 13, 2001
6158135 See-thru engineering instrument Dec. 12, 2000
6073359 Height measuring device Jun. 13, 2000
6038778 Shaft compression packing ruler Mar. 21, 2000
6029362 Alignment device Feb. 29, 2000
6018880 Straight edge guide for cutting materials Feb. 1, 2000
5845882 Staple hook pipe hanger Dec. 8, 1998
5799407 Flexible measuring device Sep. 1, 1998
5735058 Measuring rule Apr. 7, 1998
5729934 Method and apparatus for integrating vertical rule into construction of room Mar. 24, 1998
5647135 Drafting instrument with electronically controllable scale Jul. 15, 1997
5632095 Incremental marked framing lumber product and method May. 27, 1997
5509212 Folding and locking drafting aid apparatus and method Apr. 23, 1996
5487223 Linear scale Jan. 30, 1996
5461795 Measuring instrument and method of making same Oct. 31, 1995
5435659 Scale printing apparatus Jul. 25, 1995

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