Resources Contact Us Home
Browse by Category: Main > Information Technology
Class Information
Number: 33/426
Name: Geometrical instruments > Straightedge type > Square and pivoted straightedge > With protractor > Located on straightedge
Description: Subject matter wherein the protractor is attached to the straightedge.

Patents under this class:

Patent Number Title Of Patent Date Issued
7716843 Integrated x-ray measurement tool for equine conformation May. 18, 2010
7430810 Laser square protractor kit Oct. 7, 2008
5388339 Tri-square protractor Feb. 14, 1995
5205045 Household tile cutting gauge Apr. 27, 1993
5182948 Adjustable measuring container Feb. 2, 1993
4901444 Method and apparatus for guiding a saw relative to an angular cut of a board Feb. 20, 1990
4835877 Try square protractor Jun. 6, 1989

  Recently Added Patents
Solid-state image sensing apparatus and electronic apparatus
Systems and methods for DC-to-DC converter control
Hydrogen generation device and fuel cell system
Data architecture and user interface for plasma processing related software applications
Switching module and switching synchronization system
Method and system for cooling of integrated circuits
Circuit arrangement for a piezo transformer, and method therefor
  Randomly Featured Patents
Multicarrier reverse link timing synchronization system, device and method
High field contrast magnetic stampers/imprinters for contact patterning of magnetic media
Portion of an electronic mouse
60 degree bump placement layout for an integrated circuit power grid
Pathological tissue detection and treatment employing targeted benzoindole optical agents
Process for direct conversion of methane into acetic acid
Light emitting diode lead-frame
Method and apparatus for providing an event-based "What-Can-I-Say?" window
Substrate for electrophotographic photoconductor and electrophotographic photoconductor using the same
Metal feedstock from wasted metal products