Modular writing pen

US3951555A · kind A · utility

Assignee

• Parker Pen Ltd. · US

Inventors

• Frederick R. Wittnebert · Whitewater, US
• Francis J. Meinhardt · Edgerton, US
• Joseph R. Branks · Janesville, US
• Gerald C. Herold · Janesville, US
• Daniel P. Stambaugh · Janesville, US

Key dates

• Filing date: Apr 14, 1975
• Grant date: Apr 20, 1976
• Expiry date: Apr 14, 1995

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B43K7/10
• WIPO field: Other consumer goods
• WIPO sector: Other fields

Abstract

A writing pen which comprises a vacuum controlled reservoir for containing a supply of ink having a lower viscosity than conventional ball pen ink, a writing tip which may be any one of a number of interchangeable types and a finned collector including a weir and feed which are arranged to induce capillary flow of the ink from the reservoir to the tip for writing purposes.