Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
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 33
33/493 Particular material 28
33/494 Special scale markings 169
33/484 With attachment 62


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
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
5392524 Apparatus for aligning handle valves during installation of a faucet Feb. 28, 1995
5191716 Tool for measuring, marking and cutting fabric materials Mar. 9, 1993
5136787 Ruler template for computer keyboard Aug. 11, 1992
5040307 Measuring and scoring devices for horseshoe pitching game Aug. 20, 1991
5018531 Skin blemish measuring and recording system and method May. 28, 1991
4951397 Parking scale Aug. 28, 1990
4951398 Measuring and guiding attachment for a chain saw Aug. 28, 1990
4924594 Double cut edger May. 15, 1990
4734993 Straightedge Apr. 5, 1988
4641436 Ruler Feb. 10, 1987
4641444 Line viewer Feb. 10, 1987
4565012 Marking and measuring instrument Jan. 21, 1986
4531303 Prismatic straightedge Jul. 30, 1985
4531302 Replacement edge drafting apparatus Jul. 30, 1985
D271025 Combined ruler and electronic calculator Oct. 18, 1983

1 2


 
 
  Recently Added Patents
Method for preparing cyclic compounds
System and method for performing driver configuration operations without a system reboot
Multi-wavelength semiconductor laser device
Display having a quick detachable bearing bracket
X-ray generating method and x-ray generating apparatus
Cellular phone
Automotive lamp
  Randomly Featured Patents
Conveyed item divider/sorter
Device for the electric connection of a cylindrical conductor
Implant-patterned superconductive device and a method for indirect ion implantation of superconductive films
Methods and apparatus for assembling magnetized permanent magnetic blocks
Intraocular lens
Optical frequency processor
Bubble generating assembly
Powder composition for sintering into modified barium titanate semiconductive ceramic
Electromagnetic induction type charging device
Planter