USD923719SActiveUtility

Stirling engine

51
Assignee: ZHANG YIPriority: Jan 31, 2019Filed: Jan 31, 2019Granted: Jun 29, 2021
Est. expiryJan 31, 2039(~12.5 yrs left)· nominal 20-yr term from priority
Inventors:Yi Zhang
51
PatentIndex Score
4
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a stirling engine, as shown and described.

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