Curved Surface Patents (Class D21/503)
  • Toy element
    Patent number: D436143
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: January 9, 2001
    Assignee: Interlego AG
    Inventor: Ricco Rejnholdt Krog
  • Construction set element
    Patent number: D510606
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: October 11, 2005
    Assignee: Interlego AG
    Inventor: Fraser Paterson
  • Building set element
    Patent number: D510753
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: October 18, 2005
    Assignee: Interlego AG
    Inventor: Fraser Paterson
  • Toy block
    Patent number: D512748
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: December 13, 2005
    Assignee: Mattel, Inc.
    Inventor: Beth A. Hageman
  • Building element
    Patent number: D515634
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: February 21, 2006
    Assignee: Interlego AG
    Inventor: Fraser Paterson
  • Assembly block
    Patent number: D516135
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: February 28, 2006
    Inventor: Kwan-Young Kim
  • Assembly block
    Patent number: D516635
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: March 7, 2006
    Inventor: Kwan-Young Kim
  • Assembly block
    Patent number: D516636
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: March 7, 2006
    Inventor: Kwan-Young Kim
  • Toy building element
    Patent number: D456048
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: April 23, 2002
    Inventor: Soren Christian Sorensen
  • Toy building element
    Patent number: D464381
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: October 15, 2002
    Inventor: Soren Christian Sorensen
  • Toy building element
    Patent number: D464683
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: October 22, 2002
    Inventor: Soren Christian Sorensen
  • Design craft kit construction component - joined, double-oval block form
    Patent number: D470197
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: February 11, 2003
    Assignee: Mattel, Inc.
    Inventor: Richard B. Manville
  • Design craft kit construction component - peanut cross section, block form
    Patent number: D470198
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: February 11, 2003
    Assignee: Mattel, Inc.
    Inventor: Richard B. Manville
  • Toy building element
    Patent number: D472942
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: April 8, 2003
    Inventor: Soren Christian Sorensen
  • Construction toy piece
    Patent number: D474512
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: May 13, 2003
    Assignee: Lee Valley Tools, Ltd.
    Inventor: Brent K. Hyde
  • Building block
    Patent number: D474513
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: May 13, 2003
    Assignee: Yoshiritsu Kabushiki Kaisha
    Inventor: Yoshiie Kichijo
  • Construction toy piece
    Patent number: D478361
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: August 12, 2003
    Assignee: Lee Valley Tools, Ltd.
    Inventor: Brent K. Hyde
  • Craft kit construction component—transparent/translucent, amorphous heart form
    Patent number: D480767
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: October 14, 2003
    Assignee: Mattel, Inc.
    Inventor: Richard B. Manville
  • Ornament
    Patent number: D401642
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: November 24, 1998
    Assignee: INTERLEGO AG
    Inventor: Helle Kleist Nielsen
  • Toy construction block
    Patent number: D403721
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: January 5, 1999
    Assignee: Ritvik Holdings Inc.
    Inventor: Sandra Bean
  • Toy building element
    Patent number: D409259
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: May 4, 1999
    Assignee: INTERLEGO AG
    Inventor: Ricco Reinholdt Krog
  • Toy building element
    Patent number: D409678
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 11, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D409681
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: May 11, 1999
    Assignee: INTERLEGO AG
    Inventor: Ole Vestergaard Poulsen
  • Toy building element
    Patent number: D409682
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: May 11, 1999
    Assignee: INTERLEGO AG
    Inventor: Ricco Reinholdt Krog
  • Toy building element
    Patent number: D409683
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 11, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D409684
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 11, 1999
    Assignee: INTERLEGO AG
    Inventors: Jesper Elling, Lars Krog Jensen
  • Toy building element
    Patent number: D409685
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 11, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D410040
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: May 18, 1999
    Assignee: INTERLEGO AG
    Inventor: Ole Vestergaard Poulsen
  • Toy building element
    Patent number: D410042
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 18, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D410043
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: May 18, 1999
    Assignee: INTERLEGO AG
    Inventor: Pelle Normann Petersen
  • Toy building element
    Patent number: D410044
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: May 18, 1999
    Assignee: INTERLEGO AG
    Inventor: Ricco Reinholdt Krog
  • Toy building element
    Patent number: D410505
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: June 1, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D410708
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: June 8, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D411590
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: June 29, 1999
    Assignee: INTERLEGO AG
    Inventor: Jan Harder Bl.ae butted.sild
  • Toy building element
    Patent number: D412189
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: July 20, 1999
    Assignee: INTERLEGO AG
    Inventor: Ole Vestergaard Poulsen
  • Dolls house
    Patent number: D412726
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: August 10, 1999
    Assignee: INTERLEGO AG
    Inventor: Paul Leadbetter
  • Toy building element
    Patent number: D412947
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: August 17, 1999
    Assignee: INTERLEGO AG
    Inventor: Christoffer Raundahl
  • Toy bug
    Patent number: D413150
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: August 24, 1999
    Assignee: INTERLEGO AG
    Inventor: S.o slashed.ren Frederiksen
  • Toy-block with rail guide and pivot extension means
    Patent number: D415217
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: October 12, 1999
    Assignee: 90 Degrees, Inc.
    Inventor: Eric A. Rudy
  • Toy bug
    Patent number: D416591
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: November 16, 1999
    Assignee: INTERLEGO AG
    Inventor: S.o slashed.ren Frederiksen
  • Toy building element
    Patent number: D417247
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: November 30, 1999
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Toy building element
    Patent number: D419616
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: January 25, 2000
    Assignee: INTERLEGO AG
    Inventor: Uffe K. Toft
  • Single stud construction toy block
    Patent number: D420062
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: February 1, 2000
    Assignee: Connector Set Limited Partnership
    Inventor: Joel I. Glickman
  • Dual stud construction toy block
    Patent number: D420711
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: February 15, 2000
    Assignee: Connector Set Limited Partnership
    Inventor: Joel I. Glickman
  • Treble stud construction toy block
    Patent number: D426588
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: June 13, 2000
    Assignee: Connector Set Limited Partnership
    Inventor: Joel I. Glickman
  • Coupling device for a toy building set
    Patent number: D428075
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: July 11, 2000
    Assignee: Megamec AB
    Inventors: Ingvar Javer, Claes Nordenstam
  • Toy element
    Patent number: D434812
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: December 5, 2000
    Assignee: INTERLEGO AG
    Inventor: Rikke Cecilie Lehn H.o slashed.eg
  • Toy building element
    Patent number: D435609
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: December 26, 2000
    Inventor: Soren Christian Sorensen