Sanitary product
CA 2692389 C · Owner: Calla Lily Personal Care Ltd. · Inventors: Hooi, (Alex) Yu Sing
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a sanitary product (1) for use by women for the absorption of menstrual fluid and such like. The product (1) comprises a plug (2) and a pad (3) joined by a sheath (4). The plug (2) is substantially cylindrical so that is fits comfortably in a vaginal cavity. The pad (3) remains outside the vaginal cavity but has an absorbent layer on an inward side (9) proximal to the plug (2) and a liquid impermeable layer on an outward side (10). The sheath (4) comprises a tube of absorbent material for drawing excess menstrual fluid from the plug (2) to the pad (3) and has a layer of liquid impermeable material on its inside surface. It extends from an outward end (6) of the …
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
- Filed December 10, 2004 and granted August 20, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 10, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.