Double air pump
Description
All the Drawings are presented in the normal black and while colors.
The broken lines shown in the figures depict portions of the double air pump that form no part of the claimed design.
Claims
The ornamental design for a double air pump, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- ARB, CKMTA24 24V Twin Compressor, (First available date Oct. 22, 2016), Amazon.ca, URL:<https://www.amazon.ca/ARB-CKMTA24-24V-Twin-Compressor/dp/B00CP5GRLY> (Year: 2016).
Patent History
Patent number: D946055
Type: Grant
Filed: Jul 10, 2020
Date of Patent: Mar 15, 2022
Inventor: Qian-Fan Zhang (Wenling)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/741,184
Type: Grant
Filed: Jul 10, 2020
Date of Patent: Mar 15, 2022
Inventor: Qian-Fan Zhang (Wenling)
Primary Examiner: Calvin E Vansant
Assistant Examiner: Mark T. Philipps
Application Number: 29/741,184
Classifications