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:
Mar. 31, 1992
Filed:
Jun. 08, 1989
Applicant:
Inventors:
Casimir Z Cwirzen, Arlington Heights, IL (US);
Eric A Scheithauer, Chicago, IL (US);
Arnold M Ladd, Desplaines, IL (US);
Assignee:
Northern Telecom Limited, Montreal, CA;
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361119 ; 361127 ; 337 32 ; 337 34 ;
Abstract
An overload protector for a telecommunications system with an overcurrent protection device for each signal line in a chamber formed between a housing and a base and in which the base carries the line and ground pins and also an overvoltage device for each pair of the signal pins, the overvoltage device disposed at the base. In one construction, each overvoltage device comprises a solid state semi-voltage surge protection device at the base and a ground conductor extends laterally of the base between the ground pin and the device.