Patents Assigned to Playart Limited
  • Patent number: 4150789
    Abstract: A plurality of toy vehicle track sections, each having at one or both ends of each track section, a protruding plug portion of plastics material and socket, the socket being adapted to receive a similar plug portion on the next track section, and the plug portion fitting into a similar socket on the next track section, the plug portion or socket having a detent, and the socket or plug portion correspondingly having a detent receiving means for locking engagement with the detent.
    Type: Grant
    Filed: November 18, 1977
    Date of Patent: April 24, 1979
    Assignee: Playart Limited
    Inventor: Duncan Tong
  • Patent number: 4135326
    Abstract: A floating toy comprising a body simulating a human swimmer or diver, and a battery operated motor housed in a water-tight compartment and connected to the leg(s) and/or arms of the body by a linkage the linkage being such as to cause the legs and/or arms of the said body to oscillate to and fro relative to the body in simulation of the kicking movement of the legs of a swimmer, to propel the toy through water, on which the toy is floating.
    Type: Grant
    Filed: January 6, 1977
    Date of Patent: January 23, 1979
    Assignee: Playart Limited
    Inventor: Duncan Tong
  • Patent number: 4081133
    Abstract: A toy track for use with electrically operated self-propelled toys such as vehicles or railway trains comprising a plurality of track section, each track section including at least one pair of electrically conductive rails extending substantially the length of the section and provided at least at one end with an electrical junction means adapted to be joined with a corresponding electrical junction means on the adjacent section, said junction means comprising on the one section an insulating member which protrudes from the end of the track section in overlapping relationship with the adjacent track section and on the adjacent track section a recess adapted to receive said projecting portion, said projecting portion mounting and projecting beyond at least one electrically conductive member for coupling a conductive rail of the respective track section with the conductive rail of the adjacent track section.
    Type: Grant
    Filed: July 14, 1976
    Date of Patent: March 28, 1978
    Assignee: Playart Limited
    Inventor: Duncan Tong
  • Patent number: D249737
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: September 26, 1978
    Assignee: Playart Limited
    Inventor: Duncan Tong
  • Patent number: D261292
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: October 13, 1981
    Assignee: Playart Limited
    Inventor: Duncan Tong
  • Patent number: D264108
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: April 27, 1982
    Assignee: Playart Limited
    Inventor: Duncan Tong
  • Patent number: D281797
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: December 17, 1985
    Assignee: Playart Limited
    Inventor: Duncan Tong
  • Patent number: D293348
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: December 22, 1987
    Assignee: Playart Limited
    Inventor: Michael Tong