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. 28, 2004
Filed:
Dec. 21, 2001
Applicant:
Inventors:
Robert Lee, Lake Elmo, MN (US);
Brian G. Koethe, Cottage Grove, MN (US);
Theodore S. Swaback, Hastings, MN (US);
Assignee:
3M Innovative Properties Co., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/315 ;
U.S. Cl.
CPC ...
A61M 5/315 ;
Abstract
A self-venting movable seal and plunger assembly for use in dispensing materials from cylindrical bodies is disclosed. The assembly includes a self-venting movable seal and a plunger tip that seats within a plunger tip pocket in the movable seal, occluding a vent in the movable seal. Methods of using the assembly to dispense materials are also disclosed.