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:
May. 24, 1994
Filed:
Mar. 11, 1992
Applicant:
Inventors:
Kenji Takakura, Nagaokakyo, JP;
Katsuyuki Uchida, Nagaokakyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379413 ; 338 / ;
Abstract
A terminal for telegraph and telephone systems using as an overvoltage/overcurrent protecting component a positive temperature coefficient thermistor element comprising a plate-shaped ceramic body made of a ceramic material whose Curie temperature is in the range of 60.degree. to 120.degree. C., and having a thickness of 2.5 to 5.0 mm, and electrodes formed on both major surfaces of the ceramic body.