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:
Jun. 09, 1981
Filed:
Apr. 05, 1979
Applicant:
Inventors:
Donald L McLaughlin, Newtown Square, PA (US);
Elwood E Barnes, Parkesburg, PA (US);
Assignee:
Mars, Incorporated, McLean, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04Q / ; G06F / ; G06M / ; G07D / ;
U.S. Cl.
CPC ...
3401 / ; 194 / ; 235 / ; 235 / ;
Abstract
An accountability system for a vending machine system having means for vending products and means for determining credit, the accountability system comprising a portable electronic data file module which is removable from the system, and means for collecting transaction data from the vending machine system and recording it in the portable electronic data file module. A module interlock and a power monitor are provided to ensure that accurate information is stored in the module.