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:
Oct. 18, 1994
Filed:
Aug. 10, 1992
Applicant:
Inventor:
Stephen A Dresser, Norwalk, CA (US);
Assignee:
Pacific Bell, San Francisco, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ; H04M / ; H04M / ;
U.S. Cl.
CPC ...
379 27 ; 379 29 ; 379 30 ; 379 31 ;
Abstract
A system and method for testing equipment in a telephone network is disclosed for remote maintenance and verification of subscriber loops. The system and method accommodates known AC and DC fault testing techniques while improving reliability by providing duplex verification of the subscriber loop identification.
Dresser, Stephen. (1994). System and method for telephone network testing (U.S. Patent No. 5357556). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5357556
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile