Fuel cell

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Description

FIG. 1 is a top plan view of a fuel cell;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation thereof, the left side being a mirror image of that shown;

FIG. 6 is a perspective view of a fuel cell, showing my new design, the broken lines showing the fittings secured to my new design is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D223022 February 1972 Yates
D258501 March 10, 1981 Winslow
D274513 July 3, 1984 Frezzolini
D321680 November 19, 1991 Blount et al.
2058755 October 1936 Arnesen
4247603 January 27, 1981 Leffingwell et al.
Other references
  • Stolper molded tanks on p. ME-4 of Sep. 1980 Implement & Tractor.
Patent History
Patent number: D404020
Type: Grant
Filed: Jan 21, 1994
Date of Patent: Jan 12, 1999
Inventor: Wade Zimmerman (Santa Paula, CA)
Primary Examiner: Joel Sincavage
Attorney: Richard Slehofer
Application Number: 0/17,734
Classifications
Current U.S. Class: D13/218
International Classification: 1399;