Pocket sized dc powered dry herbs grinder
CA 2394931 A1 · Owner: Cotman, Phillip Lloyd · Inventors: Cotman, Phillip Lloyd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This device is a pocket sized battery operated grinder for dry herbs. It runs on a, DC battery, the grinding device is made of 2 distinct bodies. The top portion being a grinding chamber, the lower portion being the handle. The top portion of the Herb Grinder is a removable glass or metal chamber that holds the herbs. The said chamber encases a plastic disc with one or more metal, blades that are mounted on a shaft. These blades are angled 45 degree toward the direction of the rotation of the motor. The handle houses the electric motor and the DC battery. The grinder has a safety switch that disables the electric motor. The purpose of this switch is so, the blades of the grinder cannot …
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 2, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 2, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 2, 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.