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Patent
D923719
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Priority
Jan 31 2019
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Filed
Jan 31 2019
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Issued
Jun 29 2021
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Expiry
Jun 29 2036
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Assg.orig
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Entity
unknown
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4
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14
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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 perspective view of a stirling engine 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.
In the drawings, the broken lines represent portions of the article which form no part of the claimed design.
Zhang, Yi
Patent |
Priority |
Assignee |
Title |
1480445, |
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1537042, |
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4206604, |
Apr 18 1978 |
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Rotary Stirling cycle machine |
4753073, |
Oct 20 1987 |
|
Stirling cycle rotary engine |
5335497, |
Feb 10 1993 |
|
Rotary Stirling cycle engine |
9140208, |
Dec 20 2011 |
ETERNAL POWER MOTORS, LLC |
Heat engine |
20080295684, |
|
|
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20160341187, |
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|
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20170298925, |
|
|
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150484, |
|
|
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217272, |
|
|
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D244046, |
May 30 1975 |
AB Alga |
Toy steam engine |
D268505, |
Jun 30 1980 |
|
Toy coffin |
D278163, |
Aug 18 1982 |
HOLDEN JOHN LIME RIDGE FARM |
Toy take-apart engine |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
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Maintenance Schedule |
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