Vacuum flask

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Description

FIG. 1 is a perspective view of a vacuum flask showing my new design thereof;

FIG. 2 is a front elevational view and the rear side elevational view being a mirror image thereof;

FIG. 3 is a left elevational view and the right side elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D199994 January 1965 Knodt
D259097 May 5, 1981 Kretz
D300107 March 7, 1989 Trombly
D344212 February 15, 1994 Morgan
Patent History
Patent number: D409051
Type: Grant
Filed: Jun 16, 1998
Date of Patent: May 4, 1999
Inventor: Frank T. H. Huang (Taipei)
Primary Examiner: Terry A. Wallace
Law Firm: Bacon & Thomas, PLLC
Application Number: 0/89,469
Classifications
Current U.S. Class: D/7608; D7/598; D9/504
International Classification: 0706;