A/c fan and filter assembly
CA 1056740 A · Owner: Caterpillar Tractor Co. · Inventors: Legler, William F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter mounting assembly for a dual fan airflow system for an air conditioner or the like comprises a pair of spaced-apart fan housings having axially aligned circular inlet openings and a pair of elongated annular filter elements disposed between the housings and biased by clamping means outward into engagement with annular seating means surrounding the openings in their respective housings.
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 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
- 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.