Patents by Inventor Cornelis Eerkens

Cornelis Eerkens has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6773063
    Abstract: An operating principle or method and a construction for small chairs that can be utilized by children to form playthings at home or at the nursery, crèche or kindergarten. When such chairs are being coupled with U-shaped clamps, a variety of doll's furniture can be created by the children themselves. The child's furniture is safe and easy to handle while assembling or disassembling them. Combinations of said chairs could form such playthings as barns, high rise buildings, doll houses, a doll's crib, a bed, a puppet theatre, a couch, an umpire seat and so on.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: August 10, 2004
    Inventor: Cornelis Eerkens
  • Publication number: 20030038516
    Abstract: An operating principle or method and a construction for small chairs that can be utilized by children to form playthings at home or at the nursery, crèche or kindergarten. When such chairs are being coupled with U-shaped clamps, a variety of doll's furniture can be created by the children themselves. The child's furniture is safe and easy to handle while assembling or disassembling them. Combinations of said chairs could form such playthings as barns, high rise buildings, doll houses, a doll's crib, a bed, a puppet theatre, a couch, an umpire seat and so on.
    Type: Application
    Filed: April 29, 2002
    Publication date: February 27, 2003
    Inventor: Cornelis Eerkens