Portable structure

- Pure Concepts, Inc.
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.

Referenced Cited
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 1, 1976 Norman
3965915 June 29, 1976 Kirkham
3990463 November 9, 1976 Norman
4154253 May 15, 1979 McCullough
4195651 April 1, 1980 Watts et al.
4236543 December 2, 1980 Moss
4269210 May 26, 1981 Marks
4858634 August 22, 1989 McLeese
Patent History
Patent number: D318706
Type: Grant
Filed: Feb 29, 1988
Date of Patent: Jul 30, 1991
Assignee: Pure Concepts, Inc. (Pasadena, CA)
Inventor: Lowell R. Norman (Montrose, CA)
Primary Examiner: Charles A. Rademaker
Attorney: F. Eugene Logan
Application Number: 7/162,366
Classifications
Current U.S. Class: D21/253