Waste compactor
CA 2250547 A1 · Owner: Gawley, James Ernest · Inventors: Gawley, James Ernest; Rochon, Glenn Emile; May, Charlotte Mary-Anne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A refuse compactor has a housing for containing a garbage receptacle and a, compression unit for compacting the refuse in the compaction unit from time to time. The, compactor has a sensor for sensing the approach of persons wishing to deposit garbage. This, sensor causes the opening an inlet door. It has a second sensor for gauging , the level of refuse, in the receptacle. When a sufficient bulk is collected then the compression , unit operates to compact the refuse. The compression unit is subject to three limiting conditions, the first being, a "receptacle full" limit the second being a load limit, and the third being a stroke limit. The, compaction unit used is a scissors mechanism …
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 October 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2020.
- 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.