Patent · US Expired

Multicolor writing implement

US4702633A · kind A · utility

13Cited by
1References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 23, 1980
Grant dateOct 27, 1987
Priority date
Expiry dateSep 23, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43K23/12
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A multicolor writing instrument consists of two individual writing implements which respectively contain a ball point pen refill. The implements are identical in construction with each having an elongated grip portion and a shoulder extending laterally from the end opposite a writing stylus, the shoulders being provided with recesses for respectively and sealably receiving the writing stylus of the other implement when the two implements are connected together in a storage condition.

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