Resources Contact Us Home
Browse by Category: Main > Information Technology
Class Information
Number: 33/490
Name: Geometrical instruments > Straightedge type > Rules > With attachment > Located on end
Description: Subject matter wherein a device is positioned at the extremities of the straightedge for the purpose of facilitating the drawing of a straight line.

Patents under this class:

Patent Number Title Of Patent Date Issued
8359759 Scale coupling system Jan. 29, 2013
6964112 Measuring instrument Nov. 15, 2005
6314653 Ruler device Nov. 13, 2001
5739785 Location and generation of high accuracy survey control marks using satellites Apr. 14, 1998
5379754 Method using approximating apparatus for hernia repair Jan. 10, 1995
4744151 Surveying equipment May. 17, 1988
4452349 Clutch wear measurement device Jun. 5, 1984

  Recently Added Patents
Systems and methods of device-free motion detection and presence detection
Analyte assaying by means of immunochromatography with lateral migration
Wireless refrigerant scale platform
Front face of a vehicle wheel
System and method for video encoding
Image correction method
Pre-fetching map data using variable map tile radius
  Randomly Featured Patents
Wire connector
Synthesis of gallosilicate zeolites having faujasite structure
Process and device of applying multi-component resins and use of same
Method and apparatus for wavevector selective pyrometry in rapid thermal processing systems
Terminal printer connected to a plurality of host devices
Method and apparatus for digital data compression
Snorkel with exhalation valve
Active electronic mail
Bathing drawers
Electrical receptacle apparatus