Patents by Inventor Michael C. Klaber

Michael C. Klaber 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).

  • Foldable pen key ring
    Patent number: 4317638
    Abstract: A foldable pen pivotally connected to a tray, said tray having a projecting arm defining an opening between said tray and projecting arm to form a carrying loop, the projecting arm further containing a mortise dimensioned to receive the writing nib of the foldable pen in the closed position. Detents proximal to the pivotal connection lock the assembly in either open or closed positions.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: March 2, 1982
    Inventor: Michael C. Klaber
  • Foldable pen
    Patent number: 4081217
    Abstract: A foldable pen having a pair of pivotally connected elongated members, one of which having a writing nib projecting from an end portion. Latches are disposed within the elongated members to maintain the pen in an opened writing position or in a closed position. In the closed position, an extension of the other member engages with the nib to form a carrying loop.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: March 28, 1978
    Inventor: Michael C. Klaber
  • Foldable pen
    Patent number: RE30346
    Abstract: A foldable pen having a pair of pivotally connected elongated members, one of which having a writing nib projecting from an end portion. Latches are disposed within the elongated members to maintain the pen in an opened writing position or in a closed position. In the closed position, an extension of the other member engages with the nib to form a carrying loop.
    Type: Grant
    Filed: May 24, 1979
    Date of Patent: July 22, 1980
    Inventor: Michael C. Klaber
  • Foldable pen
    Patent number: D260905
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: September 22, 1981
    Inventor: Michael C. Klaber