Patents by Inventor Frank R. Mortimer

Frank R. Mortimer 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: 4304017
    Abstract: A first X-frame (10) comprising first and second pivotally connected elongate members (4 and 5) is pivotally connected to a second X-frame (33) comprising third and fourth pivotally connected elongate members (27 and 28) by means of cross-braces (21, 22, 46 and 47) so that sleeves (11, 12, 36 and 37) pivotally connected to the first ends (6, 8, 29 and 31) of the elongate members (4, 5, 27 and 28) are slidably movable along pivotally interconnected support arms (13, 14, 38 and 39). As the X-frames (10 and 33) move towards each other, the elongate members (4, 5, 27 and 28), the support arms (13, 14, 38 and 39), and the cross-braces (21, 22, 46 and 47) align themselves substantially parallel to each other, the hems of a container (55) of pliable material, which receive the support arms (13, 14, 38 and 39) are gathered together and the container (55) is compressed within the bundle of substantially parallel members.
    Type: Grant
    Filed: October 23, 1979
    Date of Patent: December 8, 1981
    Assignee: Andrews Maclaren Limited
    Inventor: Frank R. Mortimer
  • Patent number: D288797
    Type: Grant
    Filed: February 15, 1984
    Date of Patent: March 17, 1987
    Assignee: Andrews Maclaren Ltd.
    Inventors: Kevin J. Daykin, Frank R. Mortimer