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:
Mar. 22, 2022
Filed:
Jan. 22, 2019
3m Innovative Properties Company, St. Paul, MN (US);
Gunther A. J. Stollwerck, Krefeld, DE;
Harald Westkamp, Hattingen, DE;
Mark Gravermann, Erkelenz, DE;
Jens Weichold, Erkelenz, DE;
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
Voltage indication device (), attachable to a medium-voltage separable plug having a rear insert comprising a coupling electrode. The voltage indication device comprises a body () and a voltage detector () having a ground contact (), a voltage contact () for electrical connection to the coupling electrode; and an indicator for visually indicating presence of the medium voltage in the separable plug. The body comprises an elastically expandable support portion () for resiliently supporting the voltage detector ().