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. 06, 1977
Filed:
Dec. 23, 1975
Applicant:
Inventor:
Stanley Charles Foulkes, Bolton, EN;
Assignee:
Chloride Group Limited, London, EN;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429136 ; 429140 ; 429178 ; 429228 ; 429238 ;
Abstract
There is disclosed an improved tubular battery plate comprising a porous envelope enclosing a current collector comprising an array of members extending perpendicularly from an end member which affords a current take off lug with active material disposed between the perpendicular current collector members and the inside face of the porous envelope the ratio of the length of the tubes in cms to the free cross sectional area in sq. cms being in the range 100.1 to 295.1 and the degree of stratification of the active material in the tubes being less than 5%.