Patents by Inventor Sture C. Cederroth

Sture C. Cederroth 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: 5393032
    Abstract: There is provided an ice tray that includes a body and a laminated cover that has a plastic coat for securing together the body and the cover. The body includes a plurality of individual cavities for receiving liquid therein. Each wall of each cavity has an upper edge that forms a lip. The cover is sealed along each lip of each cavity to provide a liquid tight seal for each cavity. The body and cover are each, preferably, formed of a single sheet of material. The body is made of pure polyvinyl chloride plastic, and the cover is made of a laminate of polyester and polyamide with adhesive therebetween and the plastic coat on the side of the polyester opposite the adhesive.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: February 28, 1995
    Assignee: Arctic Icewater, Inc.
    Inventor: Sture C. Cederroth
  • Patent number: 4899976
    Abstract: There is provided an ice tray and ice cubes formed therein in which the ice cubes contain embossments. The ice cube tray includes a base having a plurality of cavities. Each cavity has a bottom and a plurality of said walls and preferably the bottom has a surface in the cavity which surface has a protuberance. The ice tray also includes a cover secured to the base. Once a formed ice cube is removed from a cavity, the cavity can not be used to form a new ice cube.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: February 13, 1990
    Assignee: Arctic Icewater, Inc.
    Inventors: Sture C. Cederroth, Bruce B. Zutler
  • Patent number: D320494
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: October 8, 1991
    Assignee: Arctic Icewater, Inc.
    Inventors: Sture C. Cederroth, Bruce B. Zutler