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:
Sep. 08, 1992
Filed:
Aug. 08, 1991
Applicant:
Inventors:
David Silver, Newtonville, MA (US);
Stanley Kugell, Newton Center, MA (US);
Assignee:
Pilgrim Telephone, Inc., Newtonville, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379114 ; 379120 ; 379130 ;
Abstract
A method of telephone billing comprise providing a toll-free number to a customer to access a provider in a toll-free call from an originating customer telephone number, receiving the originating customer telephone number in response to the toll-free call, converting the toll-free call to a billable call during or after the toll-free call and billing the billable call to the originating customer telephone number.
Silver, David. (1992). Telephone billing method (U.S. Patent No. 5146491). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5146491
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile