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:
Sep. 04, 1984
Filed:
Apr. 21, 1982
Applicant:
Inventors:
Richard Trezise, San Jose, CA (US);
John Boldt, San Ramon, CA (US);
Keith Gnutzman, Alameda, CA (US);
Assignee:
Envision Technology, Inc., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ;
U.S. Cl.
CPC ...
4002161 ; 400 59 ; 400208 ; 400212 ;
Abstract
A color impact matrix printer has replaceable color cartridges which are selectively brought into cooperative engagement with a print head. The printer includes a powered manifold for adjusting the print gap, a cartridge housing which is rapidly moveable by a lever system and a ribbon drive mechanism which allows for selective and incremental driving of each cartridge.