Bicycle frame

- Group Lotus plc
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Description

FIG. 1 is a perspective view of a bicycle frame embodying our new design;

FIG. 2 is a side elevational view of the bicycle frame of FIG. 1;

FIG. 3 is a bottom plan view of the bicycle frame of FIG. 1;

FIG. 4 shows a cross section of the bicycle frame taken along line 4--4 of FIG. 2;

FIG. 5 shows a cross section of the bicycle frame taken along line 5--5 of FIG. 2; and,

FIG. 6 shows a cross section of the bicycle frame taken along line 6--6 of FIG. 2.

Referenced Cited
U.S. Patent Documents
RE33295 August 14, 1990 Trimble
4230332 October 28, 1980 Porsche
4513986 April 30, 1985 Trimble
4534578 August 13, 1985 Keller
Foreign Patent Documents
1010341 December 1982 GBX
Other references
  • Article by Michael Burrows, one of the inventors, published in Sep./Oct. 1991 edition of New Cyclist Magazine. Photograph of a bicycle ridden by Michael Burrows, one of the inventors, as published in the Times newspaper on Mar. 11, 1992. Photograph of a bicycle having a frame in accordance with the present design and first ridden in competition at Leicester Velodrome in the United Kingdom on May 16, 1992. A selection of newspaper articles reporting the use of a bicycle having a frame in accordance with the present design by Mr. Christopher Boardman of the Olympic team at the Barcelona Olympic Games of 1992.
Patent History
Patent number: D349869
Type: Grant
Filed: Aug 21, 1992
Date of Patent: Aug 23, 1994
Assignee: Group Lotus plc (Norfolk)
Inventors: Michael P. Burrows (Norfolk), Richard D. Hill (Norfolk)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. Brown
Law Firm: Fulwider Patton Lee & Utecht
Application Number: 7/934,160
Classifications
Current U.S. Class: Bicycle Or Frame (D12/111)