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:
Nov. 16, 2010
Filed:
Jun. 08, 2006
Applicants:
Jeannine L. Martinson, Bay Village, OH (US);
Richard A. Langan, Parma, OH (US);
James X. Wu, North Olmsted, OH (US);
Inventors:
Jeannine L. Martinson, Bay Village, OH (US);
Richard A. Langan, Parma, OH (US);
James X. Wu, North Olmsted, OH (US);
Assignee:
Eveready Battery Company, Inc., St, Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A closure assembly and rupturable vent seal adapted for use in an electrochemical battery cell is disclosed. The vent seal includes a series of peripheral projections that can be folded to insure proper sealing of the vent without wrinkles or overlapping folded portions. Methods of accomplishing the invention are also contemplated.