Shoe with spring

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Description

FIG. 1 is a rear perspective view of a first embodiment for "shoe with spring";

FIG. 2 is a side view thereof, the opposite side being a mirror image;

FIG. 3 is a rear view thereof;

FIG. 4 is a rear perspective view of a second embodiment of the "shoe with spring";

FIG. 5 is a side view thereof, the opposite side being a mirror image; and,

FIG. 6 is a rear view thereof.

The portions of the shoe with spring not disclosed form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
349683 September 1886 Biddle
507490 October 1893 Gambino
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955700 April 1910 Schoof
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Foreign Patent Documents
310571A April 1989 EPX
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Other references
  • Burfoot, "High Energy", Runner's World, pp. 38-43, Nov. 1988.
Patent History
Patent number: D434548
Type: Grant
Filed: Jun 14, 1994
Date of Patent: Dec 5, 2000
Inventor: Alvaro Z. Gallegos (Espanola, NM)
Primary Examiner: Cathron B. Matta
Law Firm: Oliff & Berridge, PLC
Application Number: 0/24,479
Classifications
Current U.S. Class: D/2905
International Classification: 0204;