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:
Nov. 10, 1987
Filed:
May. 03, 1985
Lawrence O Hilligoss, Seal Beach, CA (US);
William R Hilligoss, Long Beach, CA (US);
Communications Technology Corporation, Los Angeles, CA (US);
Abstract
Apparatus for connecting in series a plurality of communication line pairs, typically direct connected security loops used by alarm companies for monitoring customer's facilities. A bridge with pairs of bridge terminals and switches for connecting bridge terminal pairs to communication line pairs or to terminating lines. Local and remote control for the switches and control apparatus which permits service personnel to selectively terminate a bridge terminal pair with a direct or zero resistance connection line and leave a subscriber's communication line open, for maintaining service for other communication lines connected to the bridge while performing maintenance on the disconnected line. The apparatus is suitable for bridges with various numbers of terminals, such as six way, eight way and twelve way.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile