Patent · US Expired

System to demonstrate and sell computer programs

US5166886A · kind A · utility

431Cited by

15References

22Claims

0Family size

Inventors

Charles E. Molnar · Sunnyvale, US
Alan L. Backus · Los Angeles, US

Key dates

Filing date	Feb 12, 1992
Grant date	Nov 24, 1992
Priority date	—
Expiry date	Feb 12, 2012

Classification

Technology area (CPC G)Physics
CPC primaryG06F2221/2137
WIPO fieldControl
WIPO sectorInstruments

Abstract

Centralized broadcast of a plurality of computer programs through a point to multipoint communications medium to a plurality of computers able to select, receive and execute computer programs from within said plurality of computer programs. Computer programs to facilitate the purchase of one or more computer programs from within the plurality of computer programs, and the computer programs to facilitate purchase being transmitted through the point to multipoint communications medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.