Vacuum flask

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Description

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

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

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D281570 December 3, 1985 Zimmermann
D337235 July 13, 1993 Huang
D363409 October 24, 1995 Huang
D369714 May 14, 1996 Huang
D386934 December 2, 1997 Huang
D394981 June 9, 1998 Huang
D394982 June 9, 1998 Huang
D395576 June 30, 1998 Huang
D396377 July 28, 1998 Tamura
D405640 February 16, 1999 Saltet
Patent History
Patent number: D420241
Type: Grant
Filed: May 6, 1998
Date of Patent: Feb 8, 2000
Inventor: Frank Teh-Hsiung Huang (Taipei)
Primary Examiner: M. N. Pandozzi
Law Firm: Bacon & Thomas
Application Number: 0/87,592
Classifications
Current U.S. Class: D/7319; D7/318; D7/317
International Classification: 0701;