Play equipment including a horizontal cylinder for crawling

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Description

FIG. 1 is a perspective view of play equipment including a horizontal cylinder for crawling showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof which is a mirror image of the rear elevation view thereof; and,

FIG. 4 is right side elevation view thereof that is a mirror image of the left side elevation view thereof.

Referenced Cited
U.S. Patent Documents
D218459 August 1970 Dattner
D219603 December 1970 Wormser
D232314 August 1974 Markusen
D244556 May 31, 1977 Burgess et al.
D244788 June 21, 1977 Burgess et al.
3485494 December 1969 Lieberman
3536324 October 1970 Ahrens
4629182 December 16, 1986 Rader
Other references
  • Dumus, May 1967, p. 43, bottom of the page. Western Architect and Engineer, Jul. 1960 p. 39, as shown. Mexico Forge, Jun. 1984, p. 49. Miracle Recreation Eqpt Co., Feb. 1973 p. 50.
Patent History
Patent number: D340498
Type: Grant
Filed: Feb 4, 1992
Date of Patent: Oct 19, 1993
Assignee: Restaurant Technology, Inc. (Oak Brook, IL)
Inventors: Mitchell R. Warren (Charlotte, NC), Dana W. Ingold (Salisbury, NC)
Primary Examiner: Prabhakar G. Deshmukh
Law Firm: Jenner & Block
Application Number: 7/830,268
Classifications
Current U.S. Class: D21/242