Process and device for indicating and evaluating environmental parameters
CA 1213982 A · Owner: Hubner, Hans J. · Inventors: Hubner, Hans J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiplicity of environmental parameters such as, composition of the ambient atmosphere temperature and air pressure, are concurrently measured with a portable device and registered together with information giving time and location of each measurement. The readings are interrelated parameters e.g. temperature, and relative humidity may be jointly evaluated with adjustment of the stored values in light of one another; they may also be subjected to other corrections such as linearization averaging or, logarithmic conversion. A keyboard on the device enables the instantaneous readout of a selected parameter on a common display panel; detection of dangerous concentrations of noxious gases …
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 November 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2003.
- 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.