IP Library Granted Patent US 5,215,431
Granted Patent Utility
US 5,215,431 · App. 07/904,024

Cooled turbine guide vane

Inventor: Mischael F. L. Derrien
Patented Case View Patent ↗
Granted: Jun 1, 1993 Filed: Jun 25, 1992
Inventor
Mischael F. L. Derrien
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,215,431
App. No.
07/904,024
Filed
1992-06-25
Granted
1993-06-01
Kind
A