Play tunnel

- Columbia Cascade Company
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Description

FIG. 1 is a perspective view of a play tunnel showing our new design;

FIG. 2 is an end elevation view of the play tunnel of FIG. 1 the undisclosed side being identical;

FIG. 3 is a top plan view of the play tunnel of FIG. 1, the undisclosed side being identical; and,

FIG. 4 is a side elevation view of the play tunnel of FIG. 1, the undisclosed side being identical.

Referenced Cited
U.S. Patent Documents
D219603 December 1970 Wormser
D340498 October 19, 1993 Warren et al.
D341644 November 23, 1993 Petersheim
D379209 May 13, 1997 Coddington, Jr.
5167595 December 1, 1992 Gleeson et al.
5496232 March 5, 1996 Morris et al.
Other references
  • Columbia Cascade Tunnel Crawl Picture/Advertisement (1991). Swing and Slide catalog; p. 15, Tower Tunnel, lower left of page, Aug. 1995 .
Patent History
Patent number: D413370
Type: Grant
Filed: Dec 6, 1996
Date of Patent: Aug 31, 1999
Assignee: Columbia Cascade Company (Portland, OR)
Inventors: S. Kenneth Kirn (Vancouver, WA), Michael B. Fox (Aloha, OR)
Primary Examiner: Mitchell Siegel
Law Firm: Kolisch Hartwell Dickinson McCormack & Heuser
Application Number: 0/63,397
Classifications
Current U.S. Class: Playground Equipment Or Amusement Ride Apparatus (D21/814)
International Classification: 2103;