Mechanical puzzle

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Description

FIG. 1 is a perspective view of a mechanical puzzle showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a bottom plan view of a second embodiment of FIG. 1, the difference residing in the shape of the insert;

FIG. 7 is a bottom plan view of a third embodiment of FIG. 1, the difference residing in the shape of the insert;

FIG. 8 is a perspective view of a fourth embodiment of FIG. 1;

FIG. 9 is a bottom plan view of FIG. 8;

FIG. 10 is a right side elevational view of FIG. 8; and,

FIG. 11 is a left side elevational view of FIG. 8.

Referenced Cited
U.S. Patent Documents
D192011 January 1962 Nowlin
D229078 November 1973 Aster
D256037 July 22, 1980 Csoka
1170109 January 1916 Rogers
3092389 June 1963 Smith
Patent History
Patent number: D366072
Type: Grant
Filed: Jul 21, 1994
Date of Patent: Jan 9, 1996
Assignee: Hi-Q Products, Inc. (Alhambra, CA)
Inventors: Stephen Casey (Duarte, CA), Carlos Dominguez (San Dimas, CA)
Primary Examiner: Dominic Simone
Law Firm: Greer, Burns & Crain, Ltd.
Application Number: 0/26,179
Classifications
Current U.S. Class: D21/104; D21/59