Vacuum machine
Description
The broken lines in the drawings depict portions of the vacuum machine that form no part of the claimed design.
Claims
The ornamental design for a vacuum machine, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D926404
Type: Grant
Filed: Dec 11, 2019
Date of Patent: Jul 27, 2021
Inventor: Tianxu Luo (Guangde)
Primary Examiner: Dana K Weiland
Assistant Examiner: Jennylou M Binas
Application Number: 29/716,609
Type: Grant
Filed: Dec 11, 2019
Date of Patent: Jul 27, 2021
Inventor: Tianxu Luo (Guangde)
Primary Examiner: Dana K Weiland
Assistant Examiner: Jennylou M Binas
Application Number: 29/716,609
Classifications
Current U.S. Class:
Circular Canister In Plan (D32/23)