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.

Date of Patent:
Jun. 25, 2002

Filed:

Apr. 16, 1999
Applicant:
Inventors:

Daniel E. Weerts, Albany, OR (US);

Gordon B. Dobbie, Corvallis, OR (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/16 ; H01M 2/18 ; H01M 2/14 ;
U.S. Cl.
CPC ...
H01M 2/16 ; H01M 2/18 ; H01M 2/14 ;
Abstract

A battery separator for use in enveloping the plates of a flooded cell type lead acid battery. The separator has improved puncture resistance in the shoulder areas provided by a plurality of improved mini-ribs located therein. The mini-ribs have substantially flat upper surfaces, and the space between adjacent mini-ribs is less than about 0.0225 inch. The separator may also have a plurality of micro-ribs located on the backside.


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