Vacuum flask
Description
Claims
The ornamental design for a vacuum flask, as shown.
Referenced Cited
U.S. Patent Documents
D200487 | March 1965 | Dann, Jr. |
D201839 | August 1965 | Erkers |
D221796 | September 1971 | Greger |
D420545 | February 15, 2000 | Huang |
D444338 | July 3, 2001 | Huang |
D444339 | July 3, 2001 | Huang |
D454468 | March 19, 2002 | Mano |
6425496 | July 30, 2002 | Schulein |
D495917 | September 14, 2004 | Watanabe |
D521795 | May 30, 2006 | Imai |
D528846 | September 26, 2006 | Tamura |
Patent History
Patent number: D550500
Type: Grant
Filed: Jan 12, 2006
Date of Patent: Sep 11, 2007
Assignee: Guangzhou Long Chau Plastic & Hardware Manufactory Ltd. (Guangdong)
Inventor: Wei Huang (Guangzhou)
Primary Examiner: M. N. Pandozzi
Application Number: 29/251,700
Type: Grant
Filed: Jan 12, 2006
Date of Patent: Sep 11, 2007
Assignee: Guangzhou Long Chau Plastic & Hardware Manufactory Ltd. (Guangdong)
Inventor: Wei Huang (Guangzhou)
Primary Examiner: M. N. Pandozzi
Application Number: 29/251,700
Classifications
Current U.S. Class:
D7/317;
D7/318