Device for vibrating the soil
CA 1077282 A · Owner: Internationaal Technische Handelsonderneming En Adviesbureau Itha B.V. · Inventors: Kniep, Joris
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The ground vibrator comprises a rod to be inserted into the ground and having at its end axial resonance plates which are brought into vibration by mean of a vibration source arranged d at the top end of the rod. The vibration effect of the resonance plates is improved, when the direction of vibration of the vibration source exhibits a departure from the longitudinal axis of the rod.
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
- Granted May 13, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 1997.
- 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.