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:
May. 08, 1990
Filed:
Sep. 01, 1988
Philip C Richards, Wilton, CT (US);
Robert T Evans, Weston, CT (US);
Other;
Abstract
A method for communicating between a first communication terminal and any selected one of a group of second remotely disposed compatible communication terminals using a designated communication service of a designated common carrier having at least one toll switch connectable via local telephone company central offices between the first terminal and any selected second terminal. Each second terminal has at least one different postal zip code assigned thereto that designates the geographical location thereof. Each second terminal is provided with means to receive a designated security code of digits from a toll switch which identifies the designated service, means to record the time, date and type of call identified by the designated security code, means to initiate receipt of any message transmitted thereto, means responsive to the end of any message transmitted thereto to terminate reception and to send an end of reception signal to said toll switch.