Rotary window operator

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Description

FIG. 1 is a perspective view showing our new design of a rotary window operator;

FIG. 2 is a left side elevational view thereof, the side opposite being a mirror image of the side shown except for the oval concavity on the handle;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D182080 February 1958 Morgan
D198202 May 1964 Morgan
2899195 August 1959 Ahlgren
3103351 September 1963 Ahlgren
3638358 February 1972 Mason
4521993 June 11, 1985 Tacheny et al.
4756206 July 12, 1988 Kao
5406750 April 18, 1995 Lindgren
Patent History
Patent number: D392182
Type: Grant
Filed: Jun 1, 1994
Date of Patent: Mar 17, 1998
Assignee: Interlock Industries Limited
Inventors: Nigel Alan Colebrooke Taylor (Wellington), Philip James Walters (Wellington)
Primary Examiner: Ted Shooman
Assistant Examiner: C. Tuttle
Law Firm: Blakely Sokoloff Taylor & Zafman
Application Number: 0/23,839
Classifications
Current U.S. Class: D/8400
International Classification: 0809;