Patents by Inventor Karl G. Lehmann

Karl G. Lehmann 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).

  • Suitcase with band element for concealing butt joint between upper and lower parts thereof
    Patent number: 4452348
    Abstract: A suitcase which includes a lip element along the abutment edge of the lower part of the suitcase so as to circumvent the suitcase and form a seat for the abutment edge of the suitcase upper part, the lip element including a portion which extends outwardly with respect to the suitcase to mount a flexible plastic band element which itself extends circumferentially around the suitcase. The plastic band element, which can include an embedded metal foil, is shaped to contact and seal against the upper and lower parts of the suitcase when they are positioned together to close the suitcase, and thus also to hide the butt joint when the suitcase is closed.
    Type: Grant
    Filed: April 29, 1981
    Date of Patent: June 5, 1984
    Inventor: Karl G. Lehmann