Resources Contact Us Home
Browse by Category: Main > Household
Class Information
Number: 30/460
Name: Cutlery > Static pencil sharpener > Having conical or cylindrical work guide > Open-ended for point protection during writing
Description: Device having an opening through the end thereof opposite and aligned with the entrance portion of the guide, which opening is large enough to permit the protrusion therethrough of only a reduced working end of the workpiece so as to permit retention of the device on the workpiece during, and without interference with, the marking operation.

Patents under this class:

Patent Number Title Of Patent Date Issued
4934057 Multi-blade pencil-core sharpener Jun. 19, 1990
4755074 Pencil sharpener Jul. 5, 1988

  Recently Added Patents
System and method for broadcasting rich media to devices over multiple carriers
Silicon-on-insulator (SOI) structure configured for reduced harmonics and method of forming the structure
Nonvolatile semiconductor memory device and method of manufacturing the same
Manipulation of an alternative respiratory pathway in photo-autotrophs
Ionic compound, anti-static pressure-sensitive adhesive and polarizer comprising the same
Graphical planner
  Randomly Featured Patents
Process for forming projectiles for smooth bore shooting guns
Selected CGRP-antagonists, process for preparing them and their use as pharmaceutical compositions
Central processing unit detecting and judging whether operation result executed by ALU in response to a first instruction code meets a predetermined condition
Flavored dentifrice
Scaffolding hanger
Pepper mill
Microwave interactive display package
Liquid crystal compositions
Data transfer system between a computer and a host adapter using multiple arrays
Substantially isotactic, linear, alternating copolymers of carbon monoxide and an olefin