Transportation – Cycle or motorcycle – Bicycle or frame
Design Patent
2000-09-26
2001-11-20
Douglas, Alan P. (Department: 2911)
Transportation
Cycle or motorcycle
Bicycle or frame
Design Patent
active
D0450630
CLAIM:
The ornamental design for a chain-drive bicycle, as shown.
REFERENCES:
patent: 3746367 (1973-07-01), Johannsen
Chiappetta Gary T.
Pasin Robert F.
Brooks Linda
Douglas Alan P.
Piper Marbury Rudnick & Wolfe
Radio Flyer Inc.
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