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Expired Canadian patentCanada

Aspirator/nebulizer

CA 1279548 C · Owner: Razgaitis, Richard · Inventors: Razgaitis, Richard; Devuono, Anthony C.

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

ASPIRATOR/NEBULIZER, Abstract, A respiratory care device utilizes pressurized oxygen to pump an oxygen/air mixture to the patient. The device comprises a coupled turbine and blower. The pressurized oxygen drives the turbine which pumps air through the blower. The oxygen may be mixed with the air in selected ratios and delivered to the patient. Droplets may be added to the oxygen, to the air or to the mixture upstream or downstream of the device or within the device.

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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

  • Granted January 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 18, 1986
GrantedJanuary 29, 1991
Term endedJanuary 29, 2008
Patent numberCA 1279548 C
Classification (IPC)A61M16/12

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedSep 18, 1986Patent grantedJan 29, 1991Term endedJan 29, 2008

Sources & verification

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