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:
Oct. 06, 1998
Filed:
Sep. 13, 1995
Applicant:
Inventors:
Charles C Lee, Little Canada, MN (US);
Bruce H Koehler, Maplewood, MN (US);
Jeffrey C Pederson, Minneapolis, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 86 ; 347 85 ;
Abstract
The present invention provides methods and apparatus for maintaining substantially constant vertical distance between the free surface of a printing fluid in a fluid supply and printing mechanism by supporting a container against the force of gravity with a resilient member.