Patents by Inventor Shirley J. P. Kelson

Shirley J. P. Kelson 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: 4154109
    Abstract: Measuring receptacle means comprising a plurality of cup members, each having an open top and bottom, with a removable bottom closure means in common with the cup members. Each cup member is of a different volume than the other cup members. Removable bottom plate means slidably closes the bottoms of the cup members such that the individual cup members are fillable with a measured material from the top when the bottom plate is in closure relation, and emptied from the bottom when the bottom plate is slidably removed.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: May 15, 1979
    Inventor: Shirley J. P. Kelson
  • Patent number: D268885
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: May 10, 1983
    Inventor: Shirley J. P. Kelson
  • Patent number: D268886
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: May 10, 1983
    Inventor: Shirley J. P. Kelson
  • Patent number: D269239
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: June 7, 1983
    Inventor: Shirley J. P. Kelson
  • Patent number: D269240
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: June 7, 1983
    Inventor: Shirley J. P. Kelson
  • Patent number: D269241
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: June 7, 1983
    Inventor: Shirley J. P. Kelson
  • Patent number: D271821
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: December 20, 1983
    Inventor: Shirley J. P. Kelson