Patent · US Active

Writing felt pen

US11364736B2 · kind B2 · utility

0Cited by
11References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 2020
Grant dateJun 21, 2022
Priority date
Expiry dateJun 19, 2040

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43K8/06
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A writing felt pen including a barrel and a nib attached to the barrel, and a deformable pouch comprising a mix of absorbent polymer and fibres, an ink being absorbed in the absorbent polymer and the nib being in fluidic communication with the mix.

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