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Canadian application, no grantCanada

Process for making fine metallic mesh

CA 2439372 A1 · Owner: Usf Filtration And Separations Group, Inc. · Inventors: Liberman, Michael; Quick, Nathaniel R.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The process for making fine metallic mesh (20) is disclosed comprising the steps of cladding an stray (50) of metallic wires (30) with an stray cladding material (65A) to provide an array cladding (65). The array cladding is drawn for reducing the diameter thereof and for reducing the corresponding diameters of each of the metallic wires for producing a clad array of fine metallic fibers within the array cladding. The stray cladding is fashioned into a mesh by weaving, braiding, crocheting and the like thereby forming a series of bends in the clad array for reducing interaction between adjacent portions of the array cladding. The array cladding material is removed for producing fine …

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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 September 10, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 10, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 10, 2001
GrantedNo grant recorded
Term endedSeptember 10, 2021
Patent numberCA 2439372 A1
Classification (IPC)B23P17/00 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedSep 10, 2001Term endedSep 10, 2021

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.