Dissected toriod/mobius puzzle

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Description

FIG. 1 is a front elevation view showing the assembled position of my new design for a dissected toroid/mobiu puzzle, characterized by a toroid subdivided into two interlocking rings; and,

FIG. 2 is a perspective view showing the design with its ring sections in a splayed position, the mobius ring element being in the vertical position.

Claims

I claim the ornamental design for the “dissected toroid/mobius puzzle,” as shown and described.

Referenced Cited
U.S. Patent Documents
964740 July 1910 Barnes
1338973 May 1920 Brown
4384717 May 24, 1983 Morris
4919427 April 24, 1990 Keidar et al.
5286026 February 15, 1994 Schnapp
5324037 June 28, 1994 Greeson
5413519 May 9, 1995 Simon
Foreign Patent Documents
3439509 April 1986 DE
DM/052025 March 2000 WO
Other references
  • Engineering Graphics Fundamentals (c) 1985, p. 128: 5th row, center: torus. (author & publisher unknown).
  • Bits and Pieces Holiday 2001 catalog, p. 47: Entwined Rings (item #08-K8213).
Patent History
Patent number: D545916
Type: Grant
Filed: May 5, 2003
Date of Patent: Jul 3, 2007
Assignee: (Amesville, OH)
Inventor: Raymond Charles Fischer (Amesville, OH)
Primary Examiner: Catherine Tuttle
Application Number: 29/181,077