Combined portable and retractable tunnel

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Description

FIG. 1 is a perspective view of the combined portable and retractable tunnel showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view being a mirror image of the view shown in this Figure;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D304240 October 24, 1989 Wright
3198200 August 1965 Sanders
3750353 August 1973 Smith, Jr.
4229914 October 28, 1980 Lucas
4712339 December 15, 1987 Wenham et al.
4715077 December 29, 1987 Shepheard
4815736 March 28, 1989 Wright
4817223 April 4, 1989 Koch
Patent History
Patent number: D366530
Type: Grant
Filed: Oct 21, 1994
Date of Patent: Jan 23, 1996
Inventors: John Spitz (Dearborn Heights, MI), James Maceroni (Northville, MI)
Primary Examiner: Doris Clark
Attorney: James A. Hudak
Application Number: 0/30,168
Classifications
Current U.S. Class: Having Curved Or Vaulted Roof (D25/18)