USD436544SExpiredUtility

Absorption testing device of a vacuum cleaner

31
Priority: Feb 24, 2000Filed: Feb 24, 2000Granted: Jan 23, 2001
Est. expiryFeb 24, 2020(expired)· nominal 20-yr term from priority
Inventors:Young-So Song
31
PatentIndex Score
2
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an absorption testing device of a vacuum cleaner, as shown and described.

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