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. 01, 1988
Filed:
Nov. 19, 1985
Applicant:
Inventors:
Franklin Hargrave, Newton, CT (US);
Francisco A Middleton, Newton, CT (US);
David A Zeller, Jr, Brookfield, CT (US);
Assignee:
Alcatel USA, Corp., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370 76 ; 379332 ;
Abstract
A telephone line access apparatus includes a first stage for providing high voltage protection and a second stage filter in series with the first stage. The first and second stages are incorporated within a housing that is adapted to plug into an existing main distribution frame of a telephone central office.
Hargrave, Franklin. (1988). Telephone line access apparatus (U.S. Patent No. 4782480). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4782480
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile