Portable structure

Description

FIG. 1 is a front perspective view of a portable structure showing my new design;

FIG. 2 is a front elevational view thereof, the side opposite being the same;

FIG. 3 is a right side elevational view thereof, the side opposite being the same;

FIG. 4 is a top plan view thereof;

FIG. 5 is another front perspective view of the design shown in FIGS. 1-4 with the support bases in different positions;

FIG. 6 is a perspective view of the apex area of FIG. 5 shown on an enlarged scale;

FIG. 7 is a front elevational view of the design shown in FIG. 5, the side opposite being the same;

FIG. 8 is a right side elevational view thereof, the side opposite being the same;

FIG. 9 is a top plan view thereof;

FIG. 10 is a cross-sectional view thereof taken along line 10--10 in FIG. 9;

FIG. 11 is another front perspective view of the design shown in FIGS. 1-4 with the support bases in different positions;

FIG. 12 is a front elevational view of the design shown in FIG. 11, the side opposite being the same;

FIG. 13 is a right side elevational view thereof, the side opposite being the same;

FIG. 14 is a top plan view thereof;

FIG. 15 is a perspective view of the design shown in FIGS. 1-4 in a partially collapsed condition;

FIG. 16 is a perspective view thereof in another partially collapsed condition;

FIG. 17 is a perspective view thereof in a similar position;

FIG. 18 is a perspective view thereof in a transitory position;

FIG. 19 is another similar perspective view thereof;

FIG. 20 is another perspective view thereof in a further transitory condition;

FIG. 21 is another perspective view thereof in a collapsed position;

FIG. 22 is a cross-sectional view thereof taken along line 22--22 in FIG. 9 shown on an enlarged scale;

FIG. 23 is a front perspective view of a modified embodiment of the design shown in FIGS. 1-4;

FIG. 24 is a front perspective view of another modified embodiment of the design shown in FIGS. 1-4; and

FIG. 25 is another perspective view thereof showing the base supports in other positions.

Claims

The ornamental design for a portable structure, a shown and described.

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Inventors:	Norman; Lowell R. (Montrose, CA)
Assignee:	Pure Concepts, Inc. (Pasadena, CA)
Appl. No.:	07/162,366
Filed:	February 29, 1988

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Current U.S. Class:	D21/837
Field of Search:	;D21/253 ;135/106,102,104,99,119 ;403/393,306

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References Cited [Referenced By]

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U.S. Patent Documents

1352032	September 1920	Sherman
2434251	January 1948	Warnke
3675667	July 1972	Miller
3699986	October 1972	Kirkham
3856029	December 1974	Auddle
3960161	June 1976	Norman
3965915	June 1976	Kirkham
3990463	November 1976	Norman
4154253	May 1979	McCullough
4195651	April 1980	Watts et al.
4236543	December 1980	Moss
4269210	May 1981	Marks
4858634	August 1989	McLeese

Primary Examiner: Rademaker; Charles A.
Attorney, Agent or Firm: Logan; F. Eugene