Electric light bath
CA 1296777 C · Owner: Wolff, Friedrich · Inventors: Wolff, Friedrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The electric light bath consists of an infrared light source (S), which is preferably fitted with rodlike infrared radiators (IRR). A first parabolically shaped reflector (R1) has the effect of an approximately vertical irradiation of the side of the body turned toward the infrared light source (S). Futher reflectors (R2, R3) provide for as even an irradiation as possible from the side. This arrangement ensures that at least 50% but, at most 90% of the body surface of the user is irradiated. In order that the radiation intensity is strong enough for perspiration to being but not for an unpleasant heat sensation to occur, a controller which can be operated by the user is preferably provided. …
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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.