Patents by Inventor Jack Karlsson

Jack Karlsson 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).

  • Device for limiting the consumption of objects in a container
    Patent number: 4076118
    Abstract: A timer is attached to a cigarette container to permit opening only after a preset time by mounting on the container wall with a rotary timing member presenting after the elapsed time a notch to release a container locking member for opening the container.
    Type: Grant
    Filed: June 1, 1977
    Date of Patent: February 28, 1978
    Inventor: Jack Karlsson