Patents by Inventor Walter Krasicki

Walter Krasicki 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).

  • Patent number: 5003857
    Abstract: There is disclosed an improved spindle construction for use in connection with harps of the type having a linkage assembly associated with foot pedals for controlling the action of harp strings. The improved spindle is designed to eliminate friction between the spindles and the action plates which are connected to the two ends of the spindle. The spindle is formed by a cylindrical body portion having a reduced diameter shaft at one end and proportioned to extend into a bore of one of the pair of action plates and to be rotatably retained therein. A bearing sleeve is press-fitted onto the cylindrical body portion at the other end thereof, the sleeve having a chamfered outer peripheral surface which corresponds with a chamfered bore formed in the other one of the pair of action plates into which the sleeve seats.
    Type: Grant
    Filed: April 13, 1989
    Date of Patent: April 2, 1991
    Assignee: W & W Musical Instrument Company
    Inventors: Walter Krasicki, Sr., Walter Krasicki, Jr.
  • Patent number: D244104
    Type: Grant
    Filed: July 25, 1975
    Date of Patent: April 19, 1977
    Inventor: Walter Krasicki
  • Patent number: D249183
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: August 29, 1978
    Inventor: Walter Krasicki
  • Patent number: D251948
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: May 29, 1979
    Inventor: Walter Krasicki
  • Patent number: D252997
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: September 25, 1979
    Inventor: Walter Krasicki
  • Patent number: D296564
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: July 5, 1988
    Inventor: Walter Krasicki