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:
Apr. 27, 1982
Filed:
Jan. 07, 1980
Applicant:
Inventors:
William W Hines, Arlington Heights, IL (US);
Casimir Z Cwirzen, Arlington Heights, IL (US);
Assignee:
Northern Telecom, Inc., Nashville, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361119 ; 361124 ; 361120 ; 337 32 ; 337 34 ;
Abstract
An electrical surge arrester module having a back-up external spark gap in its base assembly comprising an insulator plate perforated at points intermediate a terminal contact surface in said base assembly and a conductive plate at ground potential when said surge arrester module is in use.