Filter mesh weave
CA 1070619 A · Owner: Friedrichs, Dieter · Inventors: Friedrichs, Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a filter fabric particu-, larly of single-strand metal- or plastics filaments in which one, system of the two intersecting systems of filaments consists of filaments of thicker, mutually equidistantly spaced filaments extending in a straight line and the other system of thinner, sinusoidal filaments which are mutually juxtaposed as closely as possible and which embrace the thicker filaments and in which the filter gauge is determined by the diameter µ of the largest measuring sphere which passes through the apertures in the triangular pores of the fabric which are each formed by a thicker filament and two adjacent phase-displaced, thinner filaments. The expression …
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 January 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 1997.
- 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.