Patent
   D982657
Priority
Aug 11 2021
Filed
Feb 11 2022
Issued
Apr 04 2023
Expiry
Apr 04 2038
Assg.orig
Entity
unknown
0
13
n/a
The ornamental design for a thumb piano, as shown and described.

FIG. 1 is a top perspective view of a thumb piano, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional view, taken at the line 8-8 in FIG. 2;

FIG. 9 is a cross-sectional view, taken at the line 9-9 in FIG. 2;

FIG. 10 is a cross-sectional view, taken at the line 10-10 in FIG. 2; and,

FIG. 11 is a front elevation view of the thumb piano with a portion of the unclaimed thumb piano keys shown cutaway so that the claimed portions of the design are clear.

The broken lines shown in the drawings depict portions of the article that form no part of the claimed design.

Lu, Donghuan

Patent Priority Assignee Title
Patent Priority Assignee Title
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20040137984,
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217641,
222813,
D688729, Oct 10 2012 Thumb piano
D920424, Apr 29 2020 Double-layer 20-key kalimba
D923081, Sep 24 2020 Thumb piano
D939623, Sep 24 2020 Thumb piano
D939624, Jul 10 2020 Thumb piano
D939625, Jul 10 2020 Thumb piano
D940230, Aug 04 2020 Thumb piano
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