USD317040SExpiredUtility

Combined quick-change filter cartridge and head

Assignee: CUNO INCORPORATEDPriority: Sep 27, 1989Filed: Sep 27, 1989Granted: May 21, 1991
Est. expirySep 27, 2009(expired)· nominal 20-yr term from priority
95
PatentIndex Score
49
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined quick-change filter cartridge and head, as shown and described.

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