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:
Dec. 27, 1983
Filed:
Nov. 02, 1981
Applicant:
Inventor:
Hans-Dieter Rosel, Altdorf, DE;
Assignee:
J.S. Staedtler K.G., Nuremberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ;
Abstract
A writing medium unit for a writing or drawing machine comprises at least one writing unit head, a filling unit and a control unit. The filling unit is interconnected to the writing unit head and to the control unit by flexible writing medium supply tubes which are detachably connected to at least the filling unit.