Vacuum machine
Latest Design Manufacture Limited Patents:
Description
Claims
The ornamental design for a vacuum machine, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
3407431 | October 1968 | Melnik |
D360502 | July 18, 1995 | Hollinger |
D421513 | March 7, 2000 | Hsu |
D467048 | December 10, 2002 | Masaki |
D475490 | June 3, 2003 | Choi |
D481841 | November 4, 2003 | Hsu |
- Handy Vacuum Cleaner, no date. [online]. Retrieved from the Internet on Apr. 26, 2007. <http://whateverworks.com/itemdy00.asp?c=&T1=K0785&SKW=Cleaning%20Solutions&PageNo=1>.
Patent History
Patent number: D553810
Type: Grant
Filed: Feb 1, 2006
Date of Patent: Oct 23, 2007
Assignee: Design Manufacture Limited (Hong Kong)
Inventor: Tung Yan Lau (Hong Kong)
Primary Examiner: Ruth McInroy
Application Number: 29/252,969
Type: Grant
Filed: Feb 1, 2006
Date of Patent: Oct 23, 2007
Assignee: Design Manufacture Limited (Hong Kong)
Inventor: Tung Yan Lau (Hong Kong)
Primary Examiner: Ruth McInroy
Application Number: 29/252,969
Classifications
Current U.S. Class:
Vacuum Type (D32/18)