Disposable diaper with improved hook fastener portion
CA 1312706 C · Owner: Nestegard, Susan K. · Inventors: Nestegard, Susan K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hook fastener portion including a thin strong flexible plate like backing and a multiplicity of resiliently flexible spaced hook members projecting at generally a right angle from an upper surface of the backing. The hook members each comprise a stem portion attached at one end to the backing and a head portion at the end of the stem portion opposite the backing that is flush with the head portion on two opposite sides projects past, the stem portion on two opposite sides and has a rounded, surface opposite the stem portion to help the head portion enter between loops in a loop fastener portion. The hook members are more easily and firmly engaged with many types of loop fastener portions …
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 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2010.
- 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.