Patent
   D920424
Priority
Apr 29 2020
Filed
Apr 29 2020
Issued
May 25 2021
Expiry
May 25 2036
Assg.orig
Entity
unknown
14
7
n/a
The ornamental design for a double-layer 20-key kalimba, as shown and described.

FIG. 1 is a perspective view of a double-layer 20-key kalimba showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

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

FIG. 7 is a bottom plan view thereof.

Lin, Weili

Patent Priority Assignee Title
D939623, Sep 24 2020 Thumb piano
D939624, Jul 10 2020 Thumb piano
D939625, Jul 10 2020 Thumb piano
D940230, Aug 04 2020 Thumb piano
D963034, Feb 05 2021 Thumb piano
D963035, Nov 19 2021 Kalimba
D965056, Jan 17 2022 Kalimba
D978960, Dec 03 2020 Thumb piano
D982657, Aug 11 2021 Thumb piano
ER2293,
ER368,
ER5991,
ER6073,
ER9297,
Patent Priority Assignee Title
3961553, Jul 14 1975 Two-tier chromatic thumb piano
20090217802,
217641,
222813,
D688729, Oct 10 2012 Thumb piano
D768231, Dec 19 2014 Musical tablet
JP3174195,
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