Soil auger
CA 1305958 C · Owner: Bulb Bopper, Inc. · Inventors: Paxton, Frank, Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, A soil auger particularly useful for removing a quantity of soil as a plug is provided and is particularly adapted for use with a portable electric drill. The auger body is substantially cylindrical with at least one open end and provides a balanced unit for use at high rotational speeds. A series of teeth at the lower margin of the auger are alternately inwardly and outwardly displaced from the plane of the cylinder. The teeth may extend completely around the lower margin or only a portion thereof. Offset apertures in the walls of the cylinder permit removal of the soil contained therein. A shaft is mounted at the end of the auger opposite the teeth and adapted to be …
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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 August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 2009.
- 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.