Patent
   D923719
Priority
Jan 31 2019
Filed
Jan 31 2019
Issued
Jun 29 2021
Expiry
Jun 29 2036
Assg.orig
Entity
unknown
4
14
n/a
The ornamental design for a stirling engine, as shown and described.

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
ER1085,
ER2115,
ER232,
ER7707,
Patent Priority Assignee Title
1480445,
1537042,
4206604, Apr 18 1978 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,
20160341187,
20170298925,
150484,
217272,
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 onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule