USD302878SExpiredUtility

Electric vacuum cleaner

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Assignee: HITACHI LTDPriority: Mar 6, 1987Filed: Sep 3, 1987Granted: Aug 15, 1989
Est. expiryMar 6, 2007(expired)· nominal 20-yr term from priority
Inventors:Shigetaka KimuraKohichi HasegawaMasao SunagawaYoshitaro IshiiFumio Jyoraku
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PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electric vacuum cleaner, as shown.

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