Glue gun melt housing
CA 2129592 A1 · Owner: Electro-Matic Staplers, Inc. · Inventors: Wingert, Rudolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for heating a substantially solid glue stick or the like includes a heating chamber housing having a heating chamber formed therein and a separate elongated passage including a first open end for receiving a substantially solid glue stick and a, second opposed open end defining an exit opening for melted glue. The heating chamber has an open side and a positive temperature coefficient resistant cartridge positioned in the chamber for heating the housing adjacent to the passage to a temperature sufficient to soften a glue stick therein. A cam structure is located in the chamber engaged with the cartridge adjacent the open side of the chamber and a spring is mounted on the housing 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 August 5, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 5, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 2016.
- 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.