Granted Patent
Utility
US 5,540,552 · App. 08/382,762
Turbine engine rotor having axial or inclined, issuing blade grooves
Inventor:
Jean M. Surdi
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Feb 2, 1995
Inventor
Jean M. Surdi
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.