Method and device for combating pests living in the earth, especially termites
CA 2483749 A1 · Owner: Pollinger, Hartwig · Inventors: Pollinger, Hartwig
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method and a device for combating pests living in the earth, especially termites. The aim of the invention is to produce a method and a device wherein at least the fertility of the pests and optionally the laying of eggs is destroyed in a reliable manner using microwave energy which is relatively economical and avoiding harmful consequential effects on humans. The aim of the invention is achieved by using an underground cavity locating method in order to detect nests arranged primarily in the earth and by subsequently drilling a hole in the surface of the earth descending as far as the located cavity. An antenna connected to a microwave generator is then …
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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
- Filed March 27, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 27, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2025.
- 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.