Radiused piston head Patent Grant Roderweiss , et al. October 6, 1 [HD Performance Products Inc.]

Radiused piston head

Roderweiss , et al. October 6, 1

Patent Grant D399212

U.S. patent number D399,212 [Application Number D/050,162] was granted by the patent office on 1998-10-06 for radiused piston head. This patent grant is currently assigned to HD Performance Products Inc.. Invention is credited to Frederick P. Hall, Ronald W. Roderweiss.

United States Patent	D399,212
Roderweiss , et al.	October 6, 1998

Radiused piston head

Claims

The ornamental design for a radiused piston head, as shown.

Inventors:	Roderweiss; Ronald W. (Oak Park, IL), Hall; Frederick P. (Orland Park, IL)
Assignee:	HD Performance Products Inc. (Cicero, IL)
Appl. No.:	D/050,162
Filed:	February 9, 1996

Current U.S. Class:	D15/5
Current International Class:	1501
Field of Search:	;D15/5 ;123/193.1,193.6,47A,47R,5A,5B,41.35

References Cited [Referenced By]

U.S. Patent Documents


D287599	January 1987	Murray
4111104	September 1978	Davison, Jr.
4245611	January 1981	Mitchell et al.
4342291	August 1982	Lewis
4445467	May 1984	Westerman et al.
4487179	December 1984	Hercher
4541377	September 1985	Amos
4669431	June 1987	Simay

Foreign Patent Documents


960528	Jan 1975	CA
0960528	Jan 1975	CA
2105439	Mar 1983	GB

Other References

More Bang for your Baby, Big Twin, Spring 1996, p. 92. .
Freiburger, Operation Rumble Bee, Part 2: 30 Years and 750 Horsepower, Hot Rod, Jan. 1996, pp. 58-63..

Primary Examiner: Zarfas; Louis S.
Assistant Examiner: Martinez; Frank
Attorney, Agent or Firm: Banner & Witcoff, Ltd.

Description

FIG. 1 is a top perspective view;

FIG. 2 is a bottom perspective view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a side view;

FIG. 6 is a side view;

FIG. 7 is a side view; and,

FIG. 8 is a side view.

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