USD435640SExpiredUtility
Combined cartridge filter and tube frame structure
Est. expiryAug 26, 2019(expired)· nominal 20-yr term from priority
Inventors:Reinout G. Oussoren
40
PatentIndex Score
4
Cited by
49
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined cartridge filter and tube frame structure, as shown and described.
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