Granted Patent
Utility
US 5,586,860 · App. 08/332,101
Turbo aero engine provided with a device for heating turbine disks on revving up
Inventors:
Jean-Louis Bertrand, Gilles Alain Charier, Xavier J.A. Guyonnet, Jean Picard
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Oct 31, 1994
Inventors
Jean-Louis Bertrand
Gilles Alain Charier
Xavier J.A. Guyonnet
Jean Picard
Assignee (at issue)
Societe Nationale d'Etude et de Construction de Moteurs d'Aviation - S.N.E.C.M.A
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.