Patents by Inventor Timothy Sefton Elsdale

Timothy Sefton Elsdale 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).

  • Playground clamber tube
    Patent number: D244556
    Type: Grant
    Filed: August 19, 1975
    Date of Patent: May 31, 1977
    Assignee: WCB Containers Limited
    Inventors: Kenneth Peter Burgess, Timothy Sefton Elsdale
  • Pod module for use as play equipment
    Patent number: D244788
    Type: Grant
    Filed: August 19, 1975
    Date of Patent: June 21, 1977
    Assignee: WCB Containers Limited
    Inventors: Kenneth Peter Burgess, Timothy Sefton Elsdale
  • Slab module for use as play equipment
    Patent number: D244789
    Type: Grant
    Filed: August 19, 1975
    Date of Patent: June 21, 1977
    Assignee: WCB Containers Limited
    Inventors: Kenneth Peter Burgess, Timothy Sefton Elsdale
  • Combined play steps and slide
    Patent number: D245356
    Type: Grant
    Filed: August 19, 1975
    Date of Patent: August 9, 1977
    Assignee: WCB Containers Limited
    Inventors: Kenneth Peter Burgess, Timothy Sefton Elsdale
  • Sand or water play drum
    Patent number: D245357
    Type: Grant
    Filed: August 19, 1975
    Date of Patent: August 9, 1977
    Assignee: WCB Containers Limited
    Inventors: Kenneth Peter Burgess, Timothy Sefton Elsdale
  • Pool
    Patent number: D246058
    Type: Grant
    Filed: August 19, 1975
    Date of Patent: October 11, 1977
    Assignee: WCB Containers Limited
    Inventors: Kenneth Peter Burgess, Timothy Sefton Elsdale