Carpet seaming apparatus and method
CA 2113391 A1 · Owner: Step Loc Corporation · Inventors: Hoopengardner, Merle R.
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 carpet seaming system and method include a seaming tape iron, a hot melt carpet seaming tape and a method of installation wherein seam peaking is minimized. The seaming iron has a grooved base plate and connected liquid channels which accomplish seam welding of carpet backings at the seam. The device feeds molten adhesive from the tape through the base plate of the iron up to an elevated location at or near a rear end of the iron in a position to, be picked up by and applied to opposed edges of the two carpet backings as the iron is moved along on the carpet seaming tape. As the two carpet edges come together behind the iron, the backings are seam welded or seam …
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 January 13, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 13, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 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.