Patents by Inventor Stephen Casmira

Stephen Casmira 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: 5218930
    Abstract: An improved litter tray apparatus in combination with a litter container and method of collecting litter material employing the litter tray apparatus; including one or more trays, each tray having a pan body having inclined walls, a bottom surface to define a pan space to receive litter material, characterized by an opening for receiving litter material scattered from the container including a hook and loop fastener for detachably mounting the tray on one side of the litter container; a grate positioned on the top surface for permitting litter material to pass downwardly through the opening into the pan body and for providing animal access for stepping in and out of the litter container comprising a grate member having mesh openings whereby, when the animal steps on the tray exiting the litter container, the litter material carried on the paws of the animal having just used the litter box are permitted to drop through the grate into the pan body of the tray for retention therein and subsequent removal by deta
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: June 15, 1993
    Inventor: Stephen Casmira
  • Patent number: 5042430
    Abstract: A litter collection apparatus in combination with a litter container and method for collecting litter material employing the litter collection apparatus including a tray for attachment to the litter container including a hopper body having inclined walls defining a base within the hopper body to receive litter material, the tray being characterized by an opening for receiving litter material provided with a grate adapted to permit litter material to drop downwardly and inwardly in the hopper body and to provide animal access, the tray being attached to the hopper body by brackets adapted for manual movement to tilt the hopper body between a litter receiving position and to a litter discharging position, and a method for collecting litter material dropped by an animal including providing litter material in a container, attaching a collecting tray to the container characterized with an opening and provided with a grate for providing a platform for animals and for passing litter material into the collecting tray
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: August 27, 1991
    Inventor: Stephen Casmira
  • Patent number: D345635
    Type: Grant
    Filed: June 15, 1992
    Date of Patent: March 29, 1994
    Inventor: Stephen Casmira
  • Patent number: D346677
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: May 3, 1994
    Inventor: Stephen Casmira