Lift assistance device

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Description

FIG. 1 is a perspective view of a lift assistance device showing my design;

FIG. 2 is a first side view thereof;

FIG. 3 is a second side view thereof;

FIG. 4 is a third side view thereof;

FIG. 5 is a fourth side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is an illustrative side view of the lift assistance device in use; and,

FIG. 9 is another illustrative side view of the lift assistance device in use.

The broken lines shown in the drawings show unclaimed subject matter and also environment that form no part of the claimed design. FIGS. 8 and 9 show the design in use.

Claims

The ornamental design for a lift assistance device, as shown.

Referenced Cited
U.S. Patent Documents
7390042 June 24, 2008 Miller
D665963 August 21, 2012 Liljedahl
D733989 July 7, 2015 Berkshire
D767248 September 27, 2016 Rogers
D768340 October 4, 2016 Wong
Patent History
Patent number: D872964
Type: Grant
Filed: May 9, 2018
Date of Patent: Jan 14, 2020
Inventor: Manuel Parks (Santa Clara, CA)
Primary Examiner: Randall H Gholson
Application Number: 29/647,119
Classifications