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:
Dec. 30, 1980
Filed:
Oct. 25, 1979
Applicant:
Inventor:
Donald E Hooker, Wilmette, IL (US);
Assignee:
Bally Manufacturing Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63F / ;
U.S. Cl.
CPC ...
2731 / ;
Abstract
A slot machine type amusement apparatus having random control means for possibly advancing one or more drums bearing symbols a fractional turn following a playing cycle in which no winning combination of symbols was displayed and in which the control means was randomly actuated, so as to cause to be displayed a different combination of symbols, thereby according the player an additional opportunity to win a prize.