Patents by Inventor Ray C. Opper

Ray C. Opper 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).

  • Adaptor for charging small cells in large-cell charger
    Patent number: 4352052
    Abstract: An adaptor (26) for enabling small electrical cells (30) to be charged in a charger (10) designed to mate with and charge large cells. The adaptor has a recess for holding a small cell, is shaped and sized similar to the large cell, and has conductive parts (42, 44, 50, 54, and 52) designed to connect the contacts of the small cell to the terminals (22, 24) of the charger when the adpator is positioned in the charger. The adaptor is cylindrical, has an insulating body portion (36) and conductive, removable top and bottom caps (44 and 42). A hole or channel (48) through the body portion contains a spring (50) and a space to receive the small cell.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: September 28, 1982
    Inventor: Ray C. Opper