Shield for agricultural sprayer
CA 2065649 A1 · Owner: Greimann, Gordon L. · Inventors: Greimann, Floyd D.; Greimann, Gordon L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A shield is provided for housing a single sprayer head of an agricultural sprayer assembly. The shield is pivotally and adjustably mounted upon a vertically oriented post connected to the agricultural frame. The shield is conically or pyramidly shaped, having an ever-increasing cross sectional area from top to bottom. The sprayer head is oriented within the shield such that the spray band coordinates with the major axis of the shield. A removable door is provided on the shield to provide quick and easy access to the sprayer head for cleaning and maintenance purposes.
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 April 9, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 9, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 9, 2014.
- 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.