Bottom base of vacuum flask
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Description
In the drawings, the evenly dashed broken lines showing the remainder of the vacuum flash illustrate features which form no part of the claimed design.
Claims
The ornamental design for a bottom base of vacuum flask, as shown and described.
Referenced Cited
U.S. Patent Documents
D275834 | October 9, 1984 | Slade |
D618115 | June 22, 2010 | Huls |
D633795 | March 8, 2011 | Cresswell |
D686078 | July 16, 2013 | Johnson |
D695616 | December 17, 2013 | Li |
D696116 | December 24, 2013 | Jacober |
D697404 | January 14, 2014 | Johnson |
D702553 | April 15, 2014 | Jentzsch |
D726538 | April 14, 2015 | Behar |
D799269 | October 10, 2017 | Vargo |
Patent History
Patent number: D862992
Type: Grant
Filed: Aug 21, 2017
Date of Patent: Oct 15, 2019
Assignee: WBOTTLE LIMITED (Hong Kong)
Inventor: Ning Wong (Shatin)
Primary Examiner: Terry A Wallace
Application Number: 29/614,608
Type: Grant
Filed: Aug 21, 2017
Date of Patent: Oct 15, 2019
Assignee: WBOTTLE LIMITED (Hong Kong)
Inventor: Ning Wong (Shatin)
Primary Examiner: Terry A Wallace
Application Number: 29/614,608
Classifications
Current U.S. Class:
D7/608