The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 16, 2020

Filed:

Feb. 01, 2018
Applicant:

Welcome Co., Ltd., New Taipei, TW;

Inventor:

Richard Chang, New Taipei, TW;

Assignee:

WELCOME CO., LTD., New Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B 31/04 (2006.01); F04B 53/16 (2006.01); F04B 35/06 (2006.01); F04D 25/06 (2006.01); F04D 17/16 (2006.01); F04B 37/14 (2006.01); F04D 29/70 (2006.01); F04B 35/04 (2006.01); A23L 3/00 (2006.01);
U.S. Cl.
CPC ...
B65B 31/04 (2013.01); F04B 35/04 (2013.01); F04B 35/06 (2013.01); F04B 37/14 (2013.01); F04B 53/16 (2013.01); F04D 17/168 (2013.01); F04D 25/0673 (2013.01); F04D 29/701 (2013.01); A23L 3/00 (2013.01); A23V 2002/00 (2013.01);
Abstract

A portable air extracting device includes a shell assembly and an electric air extracting pump. The shell assembly includes a top shell, a side shell and a bottom shell surrounding a fluid room. The bottom shell is provided with an external air-extracting hole. The external air-extracting hole connects the fluid room to a target space to be evacuated. The electric air extracting pump includes an intake nozzle and an outtake nozzle. In particular, the intake nozzle is misaligned with the external air-extracting hole.


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