The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 1976
Filed:
Apr. 14, 1975
Applicant:
Inventors:
Frederick R Wittnebert, Whitewater, WI (US);
Francis J Meinhardt, Edgerton, WI (US);
Joseph R Branks, Janesville, WI (US);
Gerald C Herold, Janesville, WI (US);
Daniel P Stambaugh, Janesville, WI (US);
Assignee:
The Parker Pen Company, Janesville, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ;
U.S. Cl.
CPC ...
401217 ;
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.