Aerofoil for a windscreen wiper arm

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Description

FIG. 1 is a perspective from above, one side and one end of an aerofoil for a windscreen wiper arm;

FIG. 2 is a perspective view from below, other side and other end of the aerofoil of FIG. 1; and

FIG. 3 is an enlarged sectional view taken along line 3--3 in FIG. 1.

Referenced Cited
U.S. Patent Documents
D296317 June 21, 1988 Mower et al.
3350738 November 1967 Anderson
4570284 February 18, 1986 Verton
4590638 May 27, 1986 Beneteau
Foreign Patent Documents
1035798 July 1966 GBX
Other references
  • J. C. Whitney Catalog No. 505m, .COPYRGT.1989, p. 114, Windshield Wiper Wings, bottom left center of page.
Patent History
Patent number: D322053
Type: Grant
Filed: May 9, 1990
Date of Patent: Dec 3, 1991
Inventor: John M. Bradley (Woburn, Bedfordshire MK17 9PH)
Primary Examiner: James M. Gandy
Law Firm: Welsh & Katz, Ltd.
Application Number: 7/521,165
Classifications
Current U.S. Class: D12/155; Deflector Or Fender (D12/181)