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:
Feb. 18, 1997
Filed:
Mar. 20, 1995
Applicant:
Inventors:
David A Vogel, Westwood, MA (US);
Danny C Vogel, Randolph, MA (US);
Diane P Cherry, Foxboro, MA (US);
Assignee:
Intertech Engineering Associates, Inc., Dedham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379 94 ; 379102 ; 379100 ; 379 88 ;
Abstract
A switch system for directing a call from a calling instrument to a receiving instrument. The switch system comprises a call originator unit that is electrically connected between the calling instrument and an outgoing telephone line. The switch system also includes a call receiver unit that is electrically connected between an incoming telephone line and the receiving instrument. The incoming telephone line is electrically connected to the outgoing telephone line.