Door knob adapter

- Extend Incorporated

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Description

FIG. 1 is a top plan view of a door knob adapter showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an end elevational view taken from the left of FIG. 1;

FIG. 6 is an end elevational view taken from the right of FIG. 1.

Referenced Cited
U.S. Patent Documents
D219861 February 1971 Coffman
2756088 July 1956 Sutter
2801122 July 1957 Sutter
2808282 October 1957 Peoples
2942909 June 1960 Chase
3575453 April 1971 Hohl
3827739 August 1974 Overholser
4018465 April 19, 1977 Ramler
4223931 September 23, 1980 Neary
4285536 August 25, 1981 McCoy et al.
Patent History
Patent number: D268984
Type: Grant
Filed: Dec 19, 1980
Date of Patent: May 17, 1983
Assignee: Extend Incorporated (Moorhead, MN)
Inventor: Rodney F. Bergen (Moorhead, MN)
Primary Examiner: B. J. Bullock
Law Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Application Number: 6/218,057
Classifications
Current U.S. Class: D/8308; D/8321
International Classification: D0806;