USD283063SExpiredUtility
Washing unit for cylindrical cartridge filters
Individually held — no corporate assignee on recordPriority: Jan 31, 1983Filed: Jan 31, 1983Granted: Mar 18, 1986
Est. expiryJan 31, 2003(expired)· nominal 20-yr term from priority
Inventors:Paul Holman
31
PatentIndex Score
0
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a washing unit for cylindrical cartridge filters, as shown and described.
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