Scouring device
CA 1070063 A · Owner: Silver, Louis J. · Inventors: Silver, Louis J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A scouring device in which a shaped scouring pad is held up into a rigid skirt portion of a pad holder the, skirt portion being generally concave and having downwardly extending projections, by a securing member which has a washer-like member at its base and a stem extending up to a flattened axial portion which goes through a slit in the holder and then is turned about 90°. This together with, projections on the bottom of the pad holder hold the pad, in place. A rigid handle portion extends up above the skirt, and forms the perimeter of a cavity into which the flattened axial portion of the securing member projects. The outer wall of this handle portion is …
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 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 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.