Attachment for turning door knobs

- The Cloverline, Inc.
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Description

FIG. 1 is a perspective view of an attachment for turning door knobs showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D295605 May 10, 1988 Leopoldi
2801122 July 1957 Sutter
3960396 June 1, 1976 Miyahara
4223931 September 23, 1980 Neary
4285536 August 25, 1981 McCoy et al.
4397489 August 9, 1983 Lind
4504087 March 12, 1985 Pennington
4783883 November 15, 1988 Szalay
Patent History
Patent number: D320923
Type: Grant
Filed: Sep 19, 1988
Date of Patent: Oct 22, 1991
Assignee: The Cloverline, Inc. (Chicago, IL)
Inventor: Norbert Leopoldi (Chicago, IL)
Primary Examiner: Melvin B. Feifer
Assistant Examiner: Philip Hyder
Attorney: Milton S. Gerstein
Application Number: 7/246,171
Classifications
Current U.S. Class: D/8321