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:
Nov. 16, 1999
Filed:
May. 06, 1994
Applicant:
Inventors:
Richard Douglas Allan, Reading, GB;
David Michael Furneaux, Maidenhead, GB;
Assignee:
Mars, Incorporated, McLean, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G07D / ;
U.S. Cl.
CPC ...
194317 ; 194334 ;
Abstract
An apparatus and method of validating coins involves taking two independent measurements of the tested item, and determining whether both measurements lie within respective ranges for a particular coin type, the range for at least one of the measurements being dependent upon at least one other measurement.