Roller wheel

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Description

FIG. 1 is a perspective view of the roller wheel embodying the design of the present invention;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of the front shown in FIG. 2; and,

FIG. 3 is a typical elevational view thereof, all elevational views being identical to the view shown in FIG. 3.

Referenced Cited
U.S. Patent Documents
D184346 February 1959 Gerland
D221833 September 1971 Haydock
D224705 September 1972 Mattson
D266396 October 5, 1982 Neville
D266614 October 19, 1982 Neville
D267540 January 11, 1983 Kanemitsu
D272416 January 31, 1984 Screen
D318219 July 16, 1991 Guile
4252986 February 24, 1981 Klein et al.
4624028 November 25, 1986 Wilkes
4854007 August 8, 1989 Cheng
Foreign Patent Documents
302893 November 1931 ITX
1421781 January 1976 GBX
Other references
  • C. W. Farmer Co. Catalog, 1942; p. 47, Steel Blocks, circled item at top, right of page. Hamilton Catalog, 1987, p. 8, Wheels, Symbol B on left of page.
Patent History
Patent number: D337937
Type: Grant
Filed: Jul 8, 1991
Date of Patent: Aug 3, 1993
Inventor: Michael C. Brennan (Williamstown, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: H. Baynham
Attorney: Terry M. Gernstein
Application Number: 7/726,524
Classifications
Current U.S. Class: D/8375