Patents by Inventor Edward P. Billitzer

Edward P. Billitzer 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).

  • Disposable cup cover
    Patent number: 4202459
    Abstract: A disposable cup cover fabricated from a die, wherein a die ordinarily used for the fabrication of disposable cup covers, includes an additional configuration which causes the cup cover to have a separatable pie shaped mouth piece which a user can bend out of the way in order to drink from the cup and with an edge which will mate with a slot in the body of the cover which will receive it and hold it rigidly until it is desired to close the cover again.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: May 13, 1980
    Inventors: Lawrence T. DeParales, Edward P. Billitzer
  • Reusable cup cover
    Patent number: 4183443
    Abstract: A reusable cup cover having two separable parts for washing and mating in such a way that a segmented portion is slidably arranged to seal the top of the cup cover by means of a users thumb operation to enable the user to drink from the covered cup and reseal between drinks with a lockable tab.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: January 15, 1980
    Inventors: Lawrence T. DeParales, Edward P. Billitzer