Calculator case

Latest Monroe Systems for Business, Inc. Patents:

Description

FIG. 1 is a perspective view of a calculator case showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D218994 October 1970 Suganoya
D224273 July 1972 Yamamoto
D233442 October 1974 Saito
D247198 February 7, 1978 Ohie
D257513 November 11, 1980 Sereika et al.
Patent History
Patent number: D309471
Type: Grant
Filed: Oct 13, 1987
Date of Patent: Jul 24, 1990
Assignee: Monroe Systems for Business, Inc.
Inventors: Thomas Perelli (Stanhope, NJ), Joseph C. Sereika (Stanhope, NJ)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Lieberman Rudolph & Nowak
Application Number: 7/108,306
Classifications