Patent
   D405344
Priority
May 13 1994
Filed
May 13 1994
Issued
Feb 09 1999
Expiry
Feb 09 2013
Assg.orig
Entity
unknown
7
11
n/a
The ornamental design for a lever adaptor for door knobs, as shown and described.

FIG. 1 is a front elevational view of the lever adaptor for door knobs showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is an enlarged left side elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front elevational view thereof showing the design in a closed position; and,

FIG. 8 is a cross-sectional view thereof taken along ling 8--8 of FIG. 7, the stippling representing a gripping surface.

Peabody, Carl Alan

Patent Priority Assignee Title
6988430, Jan 16 2002 Snap-On Incorporated Wrench with flexible ring
D602556, Nov 14 2008 Lever arm
D604382, Apr 29 2009 Quick detach lever assembly
D604383, Apr 29 2009 Lever arm
D606158, Apr 29 2009 Adjustment nut
D624801, Oct 15 2009 Door knob adapter
D834412, Nov 03 2016 INGERSOLL PRODUCTS INC Nozzle cap with ring
Patent Priority Assignee Title
4285536, Nov 23 1979 DAYTON METAL DOOR, INC , A CORP OF OHIO Universal lever handle attachment for door knob
4397489, Dec 22 1980 Lever adapter for door knob
4504087, Jun 30 1980 Lever attachment for a rotary door knob
4648643, Mar 26 1984 Schlage Lock Company Retrofit lever assembly for a door knob
4783883, Feb 02 1987 Lever assists for door knobs
4971375, Jan 18 1990 Retrofit lever handle used by a disabled person for turning a door knob
5231731, Jul 28 1992 Lever action retrofit door handle
5375295, Jan 28 1993 Door knob lever attachment
219861,
D268984, Dec 19 1980 Extend Incorporated Door knob adapter
D363423, Jul 19 1993 Counterbalanced retrofit door lever
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