Play tunnel
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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
Other references
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. |
- 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
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;
International Classification: 2103;