Multi-function writing instrument comprising a leadholder system
US11230137B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2018 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Jan 27, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K25/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A multi-function writing instrument comprises a body extending in an axial direction and a radial direction, and having at least two writing elements arranged inside the body, each writing element comprising a writing head and a button, at least one button extending in the radial direction through a window and allowing the writing element to be moved between a retracted position in which the writing head is retracted into the body and a writing position in which the writing head projects from the body, and one of the writing elements being a leadholder system comprising a leadholder mechanism and a lead container, the button of the leadholder system comprising a lead-insertion channel extending in the axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.