Fume hood with panel retention system
CA 2091283 C · Owner: Bastian, John M. · Inventors: Bastian, John M.; Beck, Marshall K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fume hood includes a housing with wall panels disposed in side-by-side relation and a top member disposed substantially perpendicularly to the wall panels. Connecting blocks which engage edge portions of adjacent panels connect these adjacent panels together. Clip members defining recesses for receiving edge portions of wall panels or of the top member secure the wall panels to the top member.
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
- Filed March 9, 1993 and granted August 3, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 9, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 9, 2015.
- 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.