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:
Aug. 11, 1998
Filed:
Sep. 27, 1995
Applicant:
Inventors:
Stephen Dean Barnes, Plano, TX (US);
James F Bartoszewicz, Wiley, TX (US);
Ronald Schwartz, Nepean, CA;
Krishnamurthy Giridharagopal, Plano, TX (US);
Assignee:
Northern Telecom Limited, Montreal, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379207 ; 379211 ; 379220 ; 379229 ;
Abstract
A system for providing telephone number portability within a structurally distributed telephone system by providing an address capture database (ACDB) for local exchange carriers (LECs) wherein a new number (NN) is stored in the ACDB if the NN is a physical address served by a LEC and the NN corresponds to a dialled directory number (DN) ported into or located within the LEC.