Improvements relating to panty liner construction
CA 1339898 C · Owner: Burrell, Helen · Inventors: Burrell, Helen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved panty liner and crotch construction for panties or the like featuring, in the first embodiment a moisture absorbent, layer secured to a moisture impermeable layer to form a pad-like structure which is sandwiched between an external panel and internal moisture permeable panel of the crotch section of the panty. The moisture absorbent layer and moisture impermeable layer can be stitched along their respective edges and any seam holes, created in the moisture impermeable layer by such stitching are sealed using a seam sealer. In the second embodiment of the invention the moisture impermeable layer is releasably secured to both the moisture absorbent layer and the external panel of …
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 June 9, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 2015.
- 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.