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. 09, 2000
Filed:
Aug. 21, 1998
Applicant:
Inventors:
William C Kennedy, III, Dallas, TX (US);
Kenneth R Westerlage, Fort Worth, TX (US);
Assignee:
HighwayMaster Communications, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
455411 ; 455456 ; 455565 ; 380 23 ;
Abstract
A method and apparatus for a nation-wide cellular telephone network that controls access to cellular systems is provided in which a cellular system (14) includes a mobile unit (16), transmission towers (18), MTSO (20), and a clearinghouse link (22). The cellular system (14) is linked to a telecommunications platform (24). The telecommunications platform (24) is linked to central hosts (26 and 28). Calls to or from mobile unit (16) are directed through telecommunications platform (24), thereby reducing opportunities for cellular fraud and reducing cellular air usage charges.