Self scanning and check out shopping cart-based electronic advertising system

US 6,484,939 B1
Filed: 04/16/1996
Issued: 11/26/2002
Est. Priority Date: 06/06/1995
Status: Expired due to Fees

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Litigation Campaign Assessment

Current Assignee
Smart Media of Delaware, Inc.
Original Assignee
Smart Media of Delaware, Inc.
Inventors
Blaeuer, Dennis C.
Primary Examiner(s)
Frech, Karl D.

Application Number

US08/639,940
Time in Patent Office

2,415 Days
Field of Search

235/353, 235/462, 235/462.14, 235/462.43, 235/462.44, 235/375, 235/380, 235/383, 186/52, 186/56, 463/37, 463/46, 446/73, 403/08
US Class Current

235/383
CPC Class Codes

B62B 3/1416   mounted on the handle

B62B 3/1424   Electronic display devices

G06Q 20/201   Price look-up processing, e...

G07F 7/02   by keys or other credit reg...

G07G 1/0045   with a code reader for read...

G07G 1/0081   the reader being a portable...