USD515590SExpiredUtility

Pump valve piston

74
Assignee: DISPENSER SERVICES OF TEXAS INPriority: Jan 13, 2004Filed: Jan 13, 2004Granted: Feb 21, 2006
Est. expiryJan 13, 2024(expired)· nominal 20-yr term from priority
Inventors:Michael W. Freitas
74
PatentIndex Score
21
Cited by
27
References
1
Claims

Claims

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

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