FIG. 1 is an exploded rear perspective view of a frame showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and

FIG. 8 is a rear elevational view thereof;

FIGS. 3-8 are shown on a reduced scale.

Referenced Cited
U.S. Patent Documents
2746191 May 1956 Goldman
4187630 February 12, 1980 Giulie et al.
4450955 May 29, 1984 Featherston
Patent History
Patent number: D312925
Type: Grant
Filed: May 9, 1988
Date of Patent: Dec 18, 1990
Assignee: Structure Source Corporation (Boulder, CO)
Inventor: Daniel J. Burhardt (Boulder, CO)
Primary Examiner: Bernard Ansher
Assistant Examiner: Terry A. Pfeffer
Attorney: Donald W. Margolis
Application Number: 7/191,360
Current U.S. Class: D/6314