Counterbalance system for pickup hose support
CA 2274357 A1 · Owner: Tennant Company · Inventors: Boomgaarden, Steven L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vacuum trash collection vehicle has a debris container and a source of vacuum, both located on the vehicle. There is a hose connected at one end to the debris, container and has the source of vacuum applied thereto. The other end of the hose is open to, form a collection nozzle. There is a boom for supporting the nozzle during use as a debris, collection device with the boom including a rear support arm pivotally mounted to the, vehicle and supporting the hose in a rear area and a forward support arm pivotally mounted, to the rear arm and supporting the hose at an area forward of the rear support arm. There is, a control element accessible to the vehicle driver for moving the hose …
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 June 14, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 2021.
- 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.