Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD413370 S
Publication typeGrant
Application numberUS 29/063,397
Publication dateAug 31, 1999
Filing dateDec 6, 1996
Publication number063397, 29063397, US D413370 S, US D413370S, US-S-D413370, USD413370 S, USD413370S
InventorsS. Kenneth Kirn, Michael B. Fox
Original AssigneeColumbia Cascade Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Play tunnel
US D413370 S
Previous page
Next page
  1. The ornamental design for a play tunnel, as shown and described.

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.

Non-Patent Citations
1Columbia Cascade Tunnel Crawl Picture/Advertisement (1991).
2Swing and Slide catalog; p. 15, Tower Tunnel, lower left of page, Aug. 1995.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6254297 *Nov 1, 2000Jul 3, 2001Thomas G. FrazierMarker pen devices
U.S. ClassificationD21/814