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:
Jul. 22, 1980
Filed:
Dec. 15, 1977
Jay L Lewis, Knoxville, TN (US);
Robertshaw Controls Company, Richmond, VA (US);
Abstract
An intermittent suction system for alternately applying a vacuum and atmospheric pressure to a patient for removing fluids from the patient and comprising a vacuum source and first and second containers adapted to be interconnected to the source and to the atmospheric pressure by a control unit that is adapted to apply the vacuum to the patient in response to a vacuum condition of the first container and to apply the atmospheric pressure to the patient in response to a vacuum condition in the second container, the control unit including structure for always interconnecting the vacuum to the patient when the vacuum condition in the first container is a certain percentage of the vacuum condition of the vacuum sorce regardless of the vacuum value of the vacuum source.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile