USD441155SExpiredUtility

Filter for vacuum cleaner

79
Assignee: ROYAL APPLIANCE MFGPriority: Jan 6, 1999Filed: Jan 6, 1999Granted: Apr 24, 2001
Est. expiryJan 6, 2019(expired)· nominal 20-yr term from priority
Inventors:Charles J. ThurMark E. Cipolla
79
PatentIndex Score
21
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a filter for vacuum cleaner, as shown and described.

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