USD339435SExpiredUtility

Vacuum cleaner upper portion

53
Assignee: HOOVER COPriority: Dec 23, 1991Filed: Dec 23, 1991Granted: Sep 14, 1993
Est. expiryDec 23, 2011(expired)· nominal 20-yr term from priority
Inventors:Darwin T. McknightLynn A. Frederick
53
PatentIndex Score
7
Cited by
11
References
1
Claims

Claims

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

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