Fastening means
CA 1285797 C · Owner: Atack, Frank · Inventors: Atack, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fastening device comprises an elongated sheet metal plate having at least one lengthwise stiffening rib a pointed, end, the tip of which is preferably inclined to the general plane of the device, and, preferably, a depth stop so that when the pointed end is driven into a wooden member up to the depth stop the other end of the device may be bent and may be secured to another object by fastening means provided in the other end.
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 July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2008.
- 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.