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:
Nov. 23, 1999
Filed:
Aug. 07, 1996
Applicant:
Inventors:
Robert Edward Draper, Peterborough, CA;
G Paul Jones, Peterborough, CA;
Robert H Rehder, Peterborough, CA;
Michael Stutt, Peterborough, CA;
Assignee:
General Electric Canada Inc., Mississauga, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428328 ; 428323 ; 428324 ; 428329 ; 428330 ; 428331 ; 428412 ; 428413 ; 4284231 ; 4284237 ; 4284255 ; 428447 ; 428454 ; 4284735 ; 4284752 ; 428480 ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 1741 / ; 174127 ;
Abstract
A sandwich type insulation for electrical machinery comprising a laminate of a polymeric material such as polyimide which contains particles of an inorganic corona resistant material, said polymeric material being bonded to mica paper consisting of mica, wherein said mica paper may be impregnated with polymeric resin containing particles of inorganic corona resistant material. The resultant insulation may be used as a tape or wrapper.