Patent Yard Sign in
Expired Canadian patentCanada

Method and apparatus for deicing a leading edge

CA 1330215 C · Owner: The B.F. Goodrich Company · Inventors: Putt, James Craig; Briscoe, James A.; Phillips, Ronald Wayne, Ii

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

An airfoil deicer and method for deicing an airfoil wherein the deicer has an outer skin having an elevated modulus of elasticity and a means for introducing a small deflection into the outer skin thereby creating substantial chord-wise tension in the outer skin, the deflection being induced in less than 0.250 seconds. In the method of deicing, the deflection is induced periodically and being completed within a time span of about 0.250 seconds to remove accumulations of ice as thin as 0.06 centimeters.

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 14, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 15, 1987
GrantedJune 14, 1994
Term endedJune 14, 2011
Patent numberCA 1330215 C
Classification (IPC)B64D15/18 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJan 15, 1987Patent grantedJune 14, 1994Term endedJune 14, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.