USD295355SExpiredUtility

Vacuum flask

90
Individually held — no corporate assignee on recordPriority: Feb 1, 1985Filed: Jul 26, 1985Granted: Apr 26, 1988
Est. expiryFeb 1, 2005(expired)· nominal 20-yr term from priority
Inventors:Philip L. Leung
90
PatentIndex Score
38
Cited by
3
References
1
Claims

Claims

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

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