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.

Patent No.:

US 8449506 B1

PDF
Full Text
Expired
Date of Patent:
May. 28, 2013

Filed:

Jul. 20, 2005
Applicant:

Chang Ming Yang, Miaoli, TW;

Inventor:

Chang Ming Yang, Miaoli, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An automatic feeding/sputum suction device, which mainly comprises a feeding syringe or sputum suction device, an air pump, a liquid food replenishing drum or oxygen/water supply device, three-way control valve, feeding duct or sputum suction duct, controller and detector strap, wherein the three-way control valve is connected with liquid food replenishing drum (oxygen/water supply device), feeding syringe (sputum suction device) and feeding duct (sputum suction duct).


Find Patent Forward Citations

Yang, Chang. (2013). Automatic feeding/phlegm extractor device (U.S. Patent No. 8449506). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8449506

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