Fabricated liner article and method
CA 1248739 A · Owner: General Electric Company · Inventors: Maclin, Harvey M.; Ludwig, Arthur L.; Roggenkamp, Steven K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of fabricating sheet metal panels and the article produced thereby. According to one form the, method of fabrication includes the steps of providing a panel of sheet metal, perforating the panel to provide a plurality of holes, forming the panel into a preselected curve about a longitudinal centerline, forming the leading edge portion of the panel into a front flange forming a, shoulder in the panel centered on the holes and extending perpendicularly from a surface thereof bending an outer, portion of the shoulder into a lip and bonding the, portions of the panel comprising the shoulder and lip.
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 January 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2006.
- 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.