Ram block guide system for a ram-type blow out preventer
CA 2414030 A1 · Owner: Delbridge, Scott · Inventors: Delbridge, Clayton; Foote, Dean; Delbridge, Scott
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ram block guide system for a ram-type blow out preventer, includes a blow out preventer main body having a horizontal cavity adapted to receive a ram block. An access opening is provided at a remote end of the horizontal cavity. A ram block is provided having an axis and an opening parallel to the axis. A closure door is provided which is adapted to close the access opening. A ram shaft extends through the closure door and is secured to the ram block along the axis. A guide member is secured to the closure door. The guide member extends into the horizontal cavity when the closure door is placed in a closed position closing the access opening. The guide member extends into the opening in …
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 December 12, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 12, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 12, 2024.
- 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.