Apparatus for enhancing color of gas flames
CA 2136648 A1 · Owner: Shimek, Daniel Curtis · Inventors: Shimek, Ronald John; Shimek, Daniel Curtis; Wolf, James Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and means for enhancing the visible length and color of high efficiency gas flames in an artificial gas log fireplace/gas burner system is characterized by selecting from a plurality of metallic salt compounds, compounds having a low melting point and the ability to exhibit light in the visible spectrum when the metallic salt compounds absorb energy from a gas flame. The metallic salt compounds are placed in a high temperature area of the burner system adjacent the gas flames so that at the melting point of the metallic salt an ionized vapor is generated which is directed into the path of the combustion air being supplied to the gas burner. The energy level of the ionized metallic …
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 March 23, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 23, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 23, 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.