USD355253SExpiredUtility

Impeller for refrigerant compressors

69
Assignee: NORTHERN RES & ENGINEERING CORPORATIONPriority: Feb 25, 1993Filed: Feb 25, 1993Granted: Feb 7, 1995
Est. expiryFeb 25, 2013(expired)· nominal 20-yr term from priority
Inventors:Willem JansenSteve H. PancygrauBradford R. MyrickJohn M. Griffith
69
PatentIndex Score
20
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an impeller for refrigerant compressors, as shown and described.

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