One-piece handle bar stem

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Description

FIG. 1 is a perspective view of one-piece handle bar stem showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D306418 March 6, 1990 McMurthey
4417745 November 29, 1983 Shomo
4621805 November 11, 1986 Chen
4798377 January 17, 1989 White
Other references
  • American Bicyclist & Motorcyclist, Apr. 1991, p. 38, the Dura-Ace Bicycle Handlebar Stem.
Patent History
Patent number: D343149
Type: Grant
Filed: Jul 2, 1992
Date of Patent: Jan 11, 1994
Inventor: Chao-Chi Chang (Hsi-Hu Chen, Changhua Hsien)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Melody N. Brown
Law Firm: Ladas & Parry
Application Number: 7/908,030
Classifications
Current U.S. Class: Fork Or Stem (16) (D12/118)