Patents by Inventor Erik P. Tapdrup

Erik P. Tapdrup 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).

  • Toy activity center
    Patent number: 4897066
    Abstract: A toy activity center is provided with a base plate and a plurality of activity units to be received in holes in the base plate. The latter holes are defined by a silhouette plate whose edges are adapted to releasably receive the activity units. The units are formed with mechanical coupling means and the rear side of the base plate is provided with corresponding coupling projections so that the rear of the base plate may be used as a building base to which the activity units may be coupled.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: January 30, 1990
    Assignee: Interlego A.G.
    Inventors: Erik P. Tapdrup, Flemming H. Olsen
  • Building base for a toy building set
    Patent number: 4846750
    Abstract: A base for a building set is provided on one side with coupling studs for mounting building blocks having corresponding coupling elements. The base is further provided with cavities contoured to receive at least some of the building blocks. The cavities preferably extend from the side opposite the side provided with the coupling studs.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: July 11, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Toy air plane
    Patent number: D280838
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: October 1, 1985
    Assignee: Interlego AG
    Inventors: Erik P. Tapdrup, Gert P. Olsen
  • Toy contruction piece set
    Patent number: D285225
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: August 19, 1986
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Toy building unit
    Patent number: D291217
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: August 4, 1987
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Toy windmill arm or similar article
    Patent number: D293255
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: December 15, 1987
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Bucket with a removable lid
    Patent number: D295094
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: April 5, 1988
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Lid for a bucket
    Patent number: D296023
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: May 31, 1988
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Toy telephone
    Patent number: D301499
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: June 6, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Toy telephone
    Patent number: D301500
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: June 6, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Activity toy
    Patent number: D302444
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: July 25, 1989
    Assignee: Interlego A.G.
    Inventors: Erik P. Tapdrup, Flemming H. Olsen
  • Tail rudder element for a toy aircraft
    Patent number: D303404
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: September 12, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Toy aircraft
    Patent number: D303686
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: September 26, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Wing element for a toy aircraft
    Patent number: D303688
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: September 26, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Wheel holder element for a toy aircraft
    Patent number: D304043
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: October 17, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Body element for a toy aircraft
    Patent number: D304211
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: October 24, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Engine for a toy aircraft
    Patent number: D304467
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: November 7, 1989
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Base plate for a toy activity center
    Patent number: D306188
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: February 20, 1990
    Assignee: Interlego A.G.
    Inventors: Erik P. Tapdrup, Flemming H. Olsen
  • Toy octopus
    Patent number: D317799
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: June 25, 1991
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup
  • Toy fish
    Patent number: D317801
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: June 25, 1991
    Assignee: Interlego A.G.
    Inventor: Erik P. Tapdrup