Radiused piston head

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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.

Referenced Cited
U.S. Patent Documents
D287599 January 6, 1987 Murray
4111104 September 5, 1978 Davison, Jr.
4245611 January 20, 1981 Mitchell et al.
4342291 August 3, 1982 Lewis
4445467 May 1, 1984 Westerman et al.
4487179 December 11, 1984 Hercher
4541377 September 17, 1985 Amos
4669431 June 2, 1987 Simay
Foreign Patent Documents
960528 January 1975 CAX
0960528 January 1975 CAX
2105439 March 1983 GBX
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.
Patent History
Patent number: D399212
Type: Grant
Filed: Feb 9, 1996
Date of Patent: Oct 6, 1998
Assignee: HD Performance Products Inc. (Cicero, IL)
Inventors: Ronald W. Roderweiss (Oak Park, IL), Frederick P. Hall (Orland Park, IL)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Frank Martinez
Law Firm: Banner & Witcoff, Ltd.
Application Number: 0/50,162
Classifications
Current U.S. Class: Element Or Attachment (D15/5)
International Classification: 1501;