Patents by Inventor Sheng-Tong Day

Sheng-Tong Day 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: 5318067
    Abstract: An improvement on simplified fully automatic umbrella is disclosed. This umbrella comprises a shank consisting of an inner tube and an outer tube, the inner tube has at upper section a middle ring and an extension while the outer tube has at upper end a lower ring with an upper pawl; an umbrella opening spring received within the extension; a cylinder mounted around the extension and provided at lower end with an upper ring; an umbrella closing spring mounted around the inner tube; an actuating mechanism consisting of a push button, an upper insert containing a compression spring, a lower insert containing a lower pawl, an actuator and a detent, and a wire interconnected between the two inserts; a canopy structure connected to the upper, middle and lower rings; and a handle provided at bottom of the outer tube.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: June 7, 1994
    Inventor: Sheng-Tong Day
  • Patent number: 5261124
    Abstract: An eye shield assembly for cap visor, comprising a clip body consisting of a clip and a hollow frame having rails at longitudinal opposite inner sides, a slide block displaceable on the rails within the hollow frame of the clip body, which is formed with a holder portion at a bottom side, and an eye shield with a support pivotally engaged into and suspended from the holder portion of the slide block. This eye shield assembly is readily mounted onto the visor of a cap and detached as desired.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: November 16, 1993
    Inventor: Sheng-Tong Day