Eletrostatic air purifier
CA 1161491 A · Owner: Kinkade, Lloyd E. · Inventors: Kinkade, Lloyd E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Docket 2563, ELECTROSTATIC AIR PURIFIER ABSTRACT OF THE DISCLOSURE, A housing includes a removable top cover and encloses a removable electrostatic precipitating unit formed by a tandem arrangement of two, cells each including parallel spaced collecting plates preceded by interspaced particle charging wires or elements. An air circulating fan is enclosed within the housing and is driven by a low voltage two speed DC motor. A first converter provides for converting a high voltage AC power supply to the low voltage DC power supply for the fan and, a second converter provides for converting the low voltage DC power to a DC power supply of several thousand volts for operating the electrostatic …
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 January 31, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.