Transportation – Cycle or motorcycle – Element or attachment
Design Patent
2000-06-07
2001-05-01
Douglas, Alan P. (Department: 2911)
Transportation
Cycle or motorcycle
Element or attachment
Design Patent
active
D0441324
CLAIM:
The ornamental design for a bicycle chain ring, as shown and described.
REFERENCES:
patent: D. 299448 (1989-01-01), Haro
patent: D. 306842 (1990-03-01), Belser
patent: D. 368055 (1996-03-01), Jouret
patent: 5213550 (1993-05-01), Wu
patent: 5314366 (1994-05-01), Palm
Schwab Cycles, chain rings on p. 17, Spring 1998.
Chiu Tung-Chien
Mao Chon-I
Brooks Linda
Douglas Alan P.
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