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:
Jan. 13, 1987
Filed:
Feb. 04, 1985
Applicant:
Inventor:
Peter Lee, Monterey Park, CA (US);
Assignee:
American Phone Products, Anaheim, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379159 ; 379163 ;
Abstract
An in-line intercom system for use with telephones, in particular, a single line telephone. The intercom system includes an intercom unit, a hold unit and a ring silencing unit. The system is electro-mechanical and is modular so that it can be inserted directly into most existing telephone lines.