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.:
Date of Patent:
May. 17, 2016
Filed:
Aug. 03, 2013
LI MA, Beijing, CN;
Yongwang LI, Beijing, CN;
Feng MA, Cary, NC (US);
Other;
Abstract
An apparatus including: a vacuum container configured to provide and substantially maintain a built-in vacuum pressure; a contact member configured to contact and substantially enclose a surface area; a vacuum device configured to couple the built-in vacuum pressure to the surface area thereby applying a suction force over the surface area; and a conduit coupled to the vacuum container; wherein the vacuum container is also configured to retain a substance collected from adjacent the surface area, wherein the conduit is configured to direct the substance to the vacuum container, and to maintain substantially the same level of vacuum pressure as the vacuum container, wherein the vacuum container comprises a collapsible container, and wherein the collapsible container comprises a spring member configured to maintain a tension in a wall of the vacuum container.