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:
Aug. 22, 1989
Filed:
Mar. 25, 1987
Applicant:
Inventor:
Klaus-Dieter Frerichs, Schortens, DE;
Assignee:
Olympia Werke AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400208 ; 4006931 ;
Abstract
A ribbon cartridge is disclosed for typewriters and similar office machines which require frequent changes of the ribbon. The ribbon cartridge includes a tub-shaped base and cover and an integral sealing member by means of which the openings in the ribbon cartridge can be hermetically sealed for shipping and storage and which is easily removable prior to insertion in the holding device of the office machine.