Patent · US Expired

Flat folding writing instrument

US5988918A · kind A · utility

11Cited by
4References
20Claims
0Family size

Inventor

Key dates

Filing dateApr 22, 1999
Grant dateNov 23, 1999
Priority date
Expiry dateApr 22, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43K29/007
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A flat folding writing instrument includes a generally planar elongated support, the support including a lengthwise direction, and at least two spaced apart living hinges extending in a generally lengthwise direction of the support, so as to divide the support into at least three lengthwise extending sections. A further hinge extends in a generally widthwise direction of the support so as to divide the support into two widthwise extending sections. The support also has two opposite lengthwise edges and a bottom edge. A writing member is secured to one of the lengthwise extending sections in one of the widthwise extending sections, and has a writing point thereof extending below the bottom edge of the support. A locking assembly is provided for securing the two lengthwise extending edges together when the support is folded along the hinges. The support can be folded along the lengthwise extending hinges such that the two opposite lengthwise edges are adjacent to each other and locked in position relative to each other by the locking assembly, so that the writing instrument can be used for writing. A pen cover is provided on the other widthwise extending section for engaging or cover…

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