Patents by Inventor Wen-Cheng Sheng

Wen-Cheng Sheng 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).

  • Multi-layered cosmetic case
    Patent number: 6619297
    Abstract: A cosmetic case includes a frame unit and a stack of trays. The trays are mounted pivotally on the frame unit, and are turnable about a single axis to move between a closed position in which the trays are aligned with each other, and an open position in which the trays are out of alignment from each other. Each of the trays lags behind an adjacent one of the trays during turning movement of the trays, and has a first engaging member, a slide rail, and a second engaging member. The first engaging member of each of the trays is slidable along the slide rail and is engageable with the second engaging member of an adjacent one of the trays for subsequent simultaneous movement therebetween.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: September 16, 2003
    Inventor: Wen-Cheng Sheng
  • Multi-layered cosmetic case
    Publication number: 20020108628
    Abstract: A cosmetic case includes a frame unit and a stack of trays. The trays are mounted pivotally on the frame unit, and are turnable about a single axis to move between a closed position in which the trays are aligned with each other, and an open position in which the trays are out of alignment from each other. Each of the trays lags behind an adjacent one of the trays during turning movement of the trays, and has a first engaging member, a slide rail, and a second engaging member. The first engaging member of each of the trays is slidable along the slide rail and is engageable with the second engaging member of an adjacent one of the trays for subsequent simultaneous movement therebetween.
    Type: Application
    Filed: December 19, 2001
    Publication date: August 15, 2002
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D475485
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: June 3, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D476448
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: June 24, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D477114
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: July 8, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D478189
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: August 5, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D478190
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: August 5, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D480181
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: September 30, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D480512
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: October 7, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D482494
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: November 18, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D484645
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: December 30, 2003
    Inventor: Wen-Cheng Sheng
  • Cosmetic case
    Patent number: D489148
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: April 27, 2004
    Inventor: Wen-Cheng Sheng