Nailer with ratchet-provided plunger mechanism
CA 2517798 C · Owner: Barzel Industries Canada Inc. · Inventors: Deziel, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nailer for driving a fastener into a workpiece and comprising a main body defining a fastener ejection channel. A plunger is movably carried by the main body and defines a first end for receiving forceful mallet blows and a second end for engaging the fastener the plunger also comprising a series of teeth and grooves and defining a longitudinal cavity extending between the first and second ends the plunger being movable relative to the main body between a first limit position in which the plunger second end clears the fastener ejection channel and a second limit position in which the plunger second end engages the fastener ejection channel. A stem member is carried by the nailer main body …
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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 September 1, 2005 and granted November 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 1, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.