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. 08, 1985
Filed:
May. 02, 1983
Applicant:
Inventors:
Miranda L James, Hartselle, AL (US);
Albert Teater, Huntsville, AL (US);
Assignee:
GTE Business Communication Systems, Northlake, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
179 / ; 179 / ;
Abstract
A dual timing circuit for use with a subscriber's telephone circuit operated in response to two manual switch operations to simulate the placement of the subscriber's phone in the 'on-hook' condition for two different predetermined periods of time. One 'on-hook' period being for the operation of transfer circuitry in an associated PABX and the other period being for the initiation of a new call.