Combustible-gas fed storage system for the production of hot water for household use
CA 1317513 C · Owner: Pieroni, Giovanni · Inventors: Bartolozzi, Roberto; Pieroni, Giovanni
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
CASE 2339, "COMBUSTIBLE-GAS FED STORAGE SYSTEM FOR THE PRODUCTION OF HOT WATER FOR HOUSEHOLD USE", Abstract Combustible-gas fed storage system for the production of hot water for household use wherein a, toroidal-chamber regenerative compressor sucks the combustion air from the outside through a first smalldiameter pipe, and expels the flue gases to the outside through another small-diameter pipe coaxially positioned inside said first small-diameter pipe.
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 May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 2010.
- 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.