The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 1988
Filed:
Jun. 15, 1987
Harold E Koeln, St. Louis County, MO (US);
Michael Lembeck, St. Louis County, MO (US);
Ritepoint, Fenton, MO (US);
Abstract
A twist actuated writing instrument comprised of a barrel, a cap, a two-directional cam, and an actuator wherein the barrel, the cap, the two-directional cam, and the actuator axially encase a writing element and a spring and wherein the cap may be rotated in either a clockwise or counterclockwise direction relative to the barrel, such that when the cap is rotated in either direction relative to the barrel, the writing element will be advanced to the writing position and when the cap is rotated in the opposite direction relative to the barrel, the writing element will retract.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile