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Patent
D904303
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Priority
Jul 01 2019
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Filed
Jul 01 2019
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Issued
Dec 08 2020
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Expiry
Dec 08 2035
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Assg.orig
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Entity
unknown
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6
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7
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n/a
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The ornamental design for a stirling engine, as shown and described.
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FIG. 1 is a top, front perspective view of a stirling engine showing my new design;
FIG. 2 is a bottom, 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; and,
FIG. 8 is a bottom plan view thereof.
Xu, Ying
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