Patent
   D923573
Priority
Nov 22 2020
Filed
Nov 22 2020
Issued
Jun 29 2021
Expiry
Jun 29 2036
Assg.orig
Entity
unknown
4
8
n/a
The ornamental design for a stirling engine, as shown and described.

FIG. 1 is a front, top perspective view of the stirling engine showing my new design;

FIG. 2 is a rear, top perspective view thereof;

FIG. 3 is a front, bottom perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

Zhang, Yi

Patent Priority Assignee Title
ER1085,
ER2115,
ER232,
ER7707,
Patent Priority Assignee Title
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20110107757,
D904303, Jul 01 2019 CHAN, TAT MING Stirling engine
D906244, Feb 20 2019 Stirling engine
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