Vacuum flask

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Description

FIG. 1 is a front elevation view of an example embodiment of a vacuum flask showing my new design.

FIG. 2 is rear elevation view thereof.

FIG. 3 is a left side elevation view thereof.

FIG. 4 is a right side elevation view thereof.

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

FIG. 6 is a bottom plan view thereof.

Claims

The ornamental design for a vacuum flask, as shown and described.

Referenced Cited
U.S. Patent Documents
3107029 October 1963 Rylander
3130856 April 1964 Gits
D205781 September 1966 Valle et al.
3558023 January 1971 Yoshito
3861565 January 1975 Rickmeier, Jr.
D255206 June 3, 1980 Darnell
4251004 February 17, 1981 Sun
D258712 March 31, 1981 Jacobson
4750644 June 14, 1988 Kolody
D337690 July 27, 1993 Bunn et al.
5242093 September 7, 1993 Worrell et al.
D395784 July 7, 1998 Michaeli
5900138 May 4, 1999 Moretto
D486032 February 3, 2004 Leung
D535854 January 30, 2007 Schreitmueller
Patent History
Patent number: D551015
Type: Grant
Filed: Oct 12, 2005
Date of Patent: Sep 18, 2007
Assignee: Phoenix Vacuum Flask Company, Ltd. (Shatin, N.T.)
Inventor: Teh-hsiung Frank Huang (Hong Kong)
Primary Examiner: M. N. Pandozzi
Attorney: Kenyon & Kenyon, LLP
Application Number: 29/240,497
Classifications
Current U.S. Class: D7/318; D7/317