Portable dispensing device
CA 2400712 A1 · Owner: House, Alexander J. · Inventors: House, Alexander J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable dispensing device includes a hopper a rotatable auger, a drive , unit, and a rigid base. The hopper defines a receptacle including an upper opening for receiving a, large quantity of bulk material and a lower opening for dispensing measured quantities of bulk, material. The rotatable auger is positioned at the lower opening of the hopper for controlling, the amount of bulk material which is dispensed from the hopper. The drive unit controls, rotatable movement of the auger. The rigid base carries and provides support for the portable, dispensing device during portable movement thereof. The portable dispensing device also, includes means for measuring the weight of the bulk …
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 August 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2024.
- 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.