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:
Aug. 25, 2020
Filed:
Dec. 15, 2014
Koninklijke Philips N.v., Eindhoven, NL;
Mareike Klee, Straelen, DE;
Nocolaas Petrus Willard, Valkenswaard, NL;
Joyce Van Zanten, Waalre, NL;
Lutz Christian Gerhardt, Eindhoven, NL;
Veena Mohan, Cambridge, GB;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
The present invention relates to patient interfaces optically indicating a user that a member of the patient interface needs to be replaced due to wear. In particular, the present invention relates to a member for patient interface which includes at least one functional material having a predefined functionality and at least one indicator wherein the concentration of the at least one indicator in the member correlates with the predefined functionality of the at least one functional material.