Calculator for a shopping cart

Description

FIG. 1 is a left, front and top perspective view of a calculator for a shopping cart;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is a left side elevational view; and,

FIG. 7 is a right side elevational view.

Referenced Cited
U.S. Patent Documents
D227770 July 1973 Yamamoto
D287370 December 23, 1986 Stoll
3314601 April 1967 Voo
4334278 June 8, 1982 Marmon
4446528 May 1, 1984 Marmon
4450994 May 29, 1984 Holland
4454414 June 12, 1984 Benton
4458320 July 3, 1984 Sutton
4496058 January 29, 1985 Harris
4512504 April 23, 1985 Owlett
4685701 August 11, 1987 Amundson
4802575 February 7, 1989 Martin
4858353 August 22, 1989 Krebs
4892192 January 9, 1990 Hague
4901901 February 20, 1990 Reitenour
4954003 September 4, 1990 Shea
5048736 September 17, 1991 Anatra
Foreign Patent Documents
G-87-01-440.8 DEX
Other references
  • VM & SD Magazine; May 1989; p. 63; Calculated P-O-P top of page. "ShopCal" brochure.
Patent History
Patent number: D328607
Type: Grant
Filed: Sep 18, 1990
Date of Patent: Aug 11, 1992
Assignee: ADDvantage Media Group, Inc. (Tulsa, OK)
Inventor: Mike G. Brennan (Tulsa, OK)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Arnold, White & Durkee
Application Number: 7/584,592
Classifications