Bicycle crank

Details Bicycle crank Bicycle crank

1989-10-23

1991-09-10

Gandy, James M.

Transportation

Cycle or motorcycle

Element or attachment

745941

Patent

active

D03198081

REFERENCES:
patent: 1337765 (1920-04-01), McGuckin
patent: 4106357 (1978-08-01), Segawa
patent: 4475894 (1984-10-01), Sugino
patent: 4711635 (1987-12-01), Arnce
patent: 4807491 (1989-02-01), Struckenbrok
American Bicyclist & Motorcyclist, Jun. 1989, p. 40, Lun Chi Corp, bicycle crank.
American Bicyclist & Motorcyclist, Oct. 1986, p. 17, Thun's Aero Coronado bicycle crank.
American Bicyclist & Motorcyclist, Jul. 1986, p. 41, all the above bicycle cranks.
Photographs of Applicant's Prior Bicycle Crank Arm Product (4 pages), (Photographs show four different angles), in public use and on sale prior to 10/23/89.

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