Patent · US Expired

Card type writing instrument

US4815880A · kind A · utility

32Cited by
6References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 21, 1987
Grant dateMar 28, 1989
Priority date
Expiry dateOct 21, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43K29/00
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A card type writing instrument has a casing made of plastics and at least one recess formed therein. Also, at least one flat writing element capable of being removably fitted into the recess in the casing is provided. When the writing element is held in the recess it is essentially integral with the casing and defines the shape of a card. The writing instrument may include a variety of writing elements such as a mechanical pencil unit and ball-point pen unit by providing a plurality of recesses in the casing for receiving the writing elements.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.