Aerofoil for a windscreen wiper arm
Bradley December 3, 1
U.S. patent number D322,053 [Application Number 07/521,165] was granted by the patent office on 1991-12-03 for aerofoil for a windscreen wiper arm. Invention is credited to John M. Bradley.
| United States Patent | D322,053 |
| Bradley | December 3, 1991 |
Aerofoil for a windscreen wiper arm
Claims
The ornamental design for an aerofoil for a windscreen wiper arm, as shown.
| Inventors: | Bradley; John M. (Woburn, Bedfordshire MK17 9PH, GB) |
|---|---|
| Appl. No.: | 07/521,165 |
| Filed: | May 9, 1990 |
| Current U.S. Class: | D12/220; D12/181 |
| Field of Search: | ;D12/155,181 ;296/180.1 ;15/250.2,250.35,250.36,250.38,250.41,250.42 |
References Cited [Referenced By]
U.S. Patent Documents
| D296317 | June 1988 | Mower et al. |
| 3350738 | November 1967 | Anderson |
| 4570284 | February 1986 | Verton |
| 4590638 | May 1986 | Beneteau |
| 1035798 | Jul 1966 | GB | |||
Other References
|
J C. Whitney Catalog No. 505m, .COPYRGT.1989, p. 114, Windshield Wiper Wings, bottom left center of page.. |
Primary Examiner: Gandy; James M.
Attorney, Agent or Firm: Welsh & Katz, Ltd.
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.
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