Flow bench
CA 1100331 A · Owner: General Motors Corporation · Inventors: Prescott, John F. Jr.; Roberts, William H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A flow bench includes a sealed box with an internal plenum having air flow from a source of pressure directed to several spaced points within the plenum; the sealed box includes an open upper end having a support surface around the open end including undercut spaced parallel grooves at an offset point thereon supporting a pair of seals in sealing engagement with the outer perimeter of a laminated porous panel that completely covers the open end; the flow bench further includes a removable cover including a plurality of dependent pins thereon each with a resilient distal end engageable with the laminated porous panel to prevent buckling across the planar extent …
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 5, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 1998.
- 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.