Vacuum packaging machine
Description
The broken lines shown in the drawings are for the purpose of illustrating portions of the article and form no part of the claimed design.
Claims
The ornamental design for a vacuum packaging machine, as shown and described.
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Patent History
Patent number: D937919
Type: Grant
Filed: Mar 18, 2021
Date of Patent: Dec 7, 2021
Inventor: Kunhua Chen (Guangdong)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/774,632
Type: Grant
Filed: Mar 18, 2021
Date of Patent: Dec 7, 2021
Inventor: Kunhua Chen (Guangdong)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/774,632
Classifications
Current U.S. Class:
Vacuum Or Heat Seal (D15/146)