USD304833SExpiredUtility

Piston diaphragm pump for attachment to pressurized sprayer containers

50
Individually held — no corporate assignee on recordPriority: Jun 1, 1987Filed: Jun 1, 1987Granted: Nov 28, 1989
Est. expiryJun 1, 2007(expired)· nominal 20-yr term from priority
Inventors:Pedro W. Luchsinger
50
PatentIndex Score
6
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a piston diaphragm pump for attachment to pressurized sprayer containers, as shown and described.

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