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Canadian application, no grantCanada

Conical centerbody for a two stream tangential entry nozzle

CA 2225357 A1 · Owner: Kramer, Stephen K. · Inventors: Hauck, Peter F.; Kramer, Stephen K.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A centerbody for a tangential entry nozzle having a longitudinal axis and a radially outer surface including a frustum portion defining the outer surface of a frustum that is coaxial with the longitudinal axis and flares toward the frustum base thereof and a, curved portion which is integral with the frustum portion and preferably defines a portion of the surface generated by rotating a circle which is tangent to the frustum portion and has a center which lies radially outward thereof about the longitudinal axis. The centerbody has a base which includes at least one air supply port extending therethrough and an internal passageway. The frustum portion tapers towards a discharge orifice of …

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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

  • Filed December 19, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 19, 1997
GrantedNo grant recorded
Term endedDecember 19, 2017
Patent numberCA 2225357 A1
Classification (IPC)F23R3/14 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedDec 19, 1997Term endedDec 19, 2017

Sources & verification

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