USD311947SExpiredUtility

Filter cartridge for clarifying, sterilizing or concentrating fluid feedstock

Assignee: MEMTEC LTDPriority: Oct 1, 1987Filed: Mar 28, 1988Granted: Nov 6, 1990
Est. expiryOct 1, 2007(expired)· nominal 20-yr term from priority
47
PatentIndex Score
5
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a filter cartridge for clarifying, sterilizing or concentrating fluid feedstock, as shown and described.

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