Resources Contact Us Home
Browse by Category: Main > Information Technology
Class Information
Number: 33/425
Name: Geometrical instruments > Straightedge type > Square and pivoted straightedge > With protractor > And sliding straightedge
Description: Subject matter wherein a straightedge or a portion thereof can have a circular type of sweeping motion on the protractor.

Patents under this class:

Patent Number Title Of Patent Date Issued
6895675 Apparatus and methods for measuring the movement of a straightedge to draw lines or cut strips of a flat material May. 24, 2005
6694633 Common rafter and hip layout tool Feb. 24, 2004
6260283 Multi-functional carpentry tool Jul. 17, 2001
5915807 All-in-one drawing apparatus Jun. 29, 1999
5226238 Infinite square Jul. 13, 1993

  Recently Added Patents
Method and system for expanding axial coverage in iterative reconstruction in computer tomography (CT)
Image forming apparatus and system connectable with an authorization apparatus via a communications network, the image forming apparatus comprising an apparatus control section, an initial inq
DRAM refresh method and system
Method for modeling and analyzing linear time invariant systems with time delays
Range extension techniques for a wireless local area network
Method for assisting in the checking of transaction records, transaction device, server, mobile terminal, and corresponding computer programs
Method for forming ventilation holes in an electrode plate
  Randomly Featured Patents
Purification of 3-hydroxy-propanal
Transmission/transfer case extensionless output arrangement
Tablet feed assembly
Tactical medical vest and method of providing emergency medical care
Movable supporting arm
Temperature sensing device
Displacement detection device and displacement detection method thereof
Shimming method for NMR magnet having large magnetic field inhomogeneities
Image forming apparatus with failure detection and control method therefor
Compact, high-efficiency, energy-recycling illumination system