|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D973553
|
|
Priority
Dec 18 2019
|
|
Filed
Mar 16 2020
|
|
Issued
Dec 27 2022
|
|
Expiry
Dec 27 2037
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
4
|
|
11
|
|
n/a
|
|
|
|
The ornamental design for a knee walker, as shown and described.
|
FIG. 1 is a front perspective view of a knee walker, showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an enlarged view of a portion indicated with numeric 9 in FIG. 1; and,
FIG. 10 is an enlarged view of a portion indicated with numeric 10 in FIG. 1.
The dash dot dash lines in FIGS. 1, 9 and 10 are for the purpose of depicting the cut line of the enlarged view and form no part of the claim.
Xie, Xiaoming
| Patent |
Priority |
Assignee |
Title |
| 20140097592, |
|
|
|
| 20200317168, |
|
|
|
| 20200390638, |
|
|
|
| 20210259907, |
|
|
|
| 20220142834, |
|
|
|
| D363904, |
Nov 04 1994 |
|
Four wheeled orthopedic support |
| D517455, |
Apr 14 2004 |
|
Orthopedic leg support scooter |
| D891309, |
Mar 12 2019 |
|
Knee rest walker |
| D908550, |
Mar 28 2018 |
Medline Industries, LP |
Rollator |
| D941193, |
Jan 02 2020 |
Merits Health Products Co., Ltd. |
Rollator |
| D953210, |
Jun 17 2020 |
|
Foldable four-wheel walking aid |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a