Step Stool Type Patents (Class D25/65)
  • Patent number: 6450290
    Abstract: A lightweight, folding ladder having steps that fold together and lie flat within the frame, when the legs of the frame are collapsed into a fold-away position. The steps each have an edge recess that allows a person climbing the ladder to laterally draw closer to an object or supporting wall when the ladder is in a legs-expanded, open-frame, operative position.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: September 17, 2002
    Inventor: George E. Spak
  • Patent number: D501683
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: February 8, 2005
    Assignee: Home Products International, Inc.
    Inventors: Roland Hernandez, Michael Jaron
  • Patent number: D441094
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: April 24, 2001
    Inventor: Jim Hawe
  • Patent number: D443072
    Type: Grant
    Filed: August 22, 2000
    Date of Patent: May 29, 2001
    Inventor: Craig H. Schultz
  • Patent number: D444574
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: July 3, 2001
    Assignee: Cosco Management, Inc.
    Inventors: William R. Gibson, Enrique R. Giner
  • Patent number: D447572
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: September 4, 2001
    Assignee: Cosco Management, Inc.
    Inventor: M. Scot Rosko
  • Patent number: D447817
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: September 11, 2001
    Assignee: Cosco Management, Inc.
    Inventor: Michael Scot Rosko
  • Patent number: D449385
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: October 16, 2001
    Assignee: Cosco Management, Inc.
    Inventor: M. Scot Rosko
  • Patent number: D449386
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: October 16, 2001
    Assignee: Tenex Corporation
    Inventors: Albert B. Cheris, Mark Dziersk
  • Patent number: D455842
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: April 16, 2002
    Assignee: Cosco Management, Inc.
    Inventor: M. Scot Rosko
  • Patent number: D460566
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: July 16, 2002
    Inventors: Reed E. Henschel, Brad Eveleth
  • Patent number: D532118
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: November 14, 2006
    Inventor: James C. Reese
  • Patent number: D463038
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: September 17, 2002
    Inventor: John Conroy
  • Patent number: D465032
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: October 29, 2002
    Assignee: The Plastic Lumber Company
    Inventors: Alan Robbins, Daniel J. Christopherson
  • Patent number: D550374
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: September 4, 2007
    Inventor: Michael C. Genova
  • Patent number: D556345
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: November 27, 2007
    Assignee: Piscines Desjoyaux
    Inventors: Jean-Louis Desjoyaux, Pierre-Louis Desjoyaux, Catherine Jandros
  • Patent number: D287283
    Type: Grant
    Filed: September 21, 1983
    Date of Patent: December 16, 1986
    Inventor: Paul R. Johnson
  • Patent number: D562991
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: February 26, 2008
    Assignee: Cosco Management, Inc.
    Inventors: Thomas Joseph Meyers, Wyatt Michael Compton, Paul Thomas Zink
  • Patent number: D288719
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: March 10, 1987
    Inventor: Karl K. Feist
  • Patent number: D482458
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: November 18, 2003
    Assignee: Christmas Light Company, Inc.
    Inventor: Jamie A. Limber
  • Patent number: D564674
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: March 18, 2008
    Assignee: GSC Technologies Corporation
    Inventors: Robert Farber, Jason C. Farber
  • Patent number: D564675
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: March 18, 2008
    Assignee: GSC Technologies Corporation
    Inventors: Robert Farber, Jason C. Farber
  • Patent number: D564676
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: March 18, 2008
    Assignee: GSC Technologies Corporation
    Inventors: Robert Farber, Jason C. Farber
  • Patent number: D565745
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: April 1, 2008
    Assignee: Cosco Management, Inc.
    Inventors: Thomas J. Meyers, Paul F. Meyers
  • Patent number: D566856
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: April 15, 2008
    Inventor: Bradley R. Eveleth
  • Patent number: D567395
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: April 22, 2008
    Assignee: Teeny Tiny Ltd.
    Inventors: Suzanne Bishop, Graham Bishop
  • Patent number: D485915
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: January 27, 2004
    Assignee: The Plastic Lumber Company, Inc.
    Inventors: Alan E. Robbins, Daniel J. Christopherson
  • Patent number: D576291
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: September 2, 2008
    Assignee: Werner Co.
    Inventors: Brett A. Latimer, Marcus J. Burzynski, Arti W. Lyde, Dale R. King, Ben L. Eddy, Jr.
  • Patent number: D577833
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: September 30, 2008
    Inventor: Bradley R. Eveleth
  • Patent number: D586000
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: February 3, 2009
    Assignee: Werner Co.
    Inventors: Brett A. Latimer, Marcus J. Burzynski, Arti W. Lyde, Dale R. King, Ben L. Eddy, Jr.
  • Patent number: D586923
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: February 17, 2009
    Inventor: Bradley R. Eveleth
  • Patent number: D589630
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: March 31, 2009
    Inventors: Blake D. Henson, Tim Lewis Scott, James D. Thompson
  • Patent number: D307800
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: May 8, 1990
    Assignee: Rubbermaid Incorporated
    Inventor: John L. Hradisky
  • Patent number: D594135
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: June 9, 2009
    Assignee: Play, S.A.
    Inventor: Joaquim Jane Stopp
  • Patent number: D331808
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: December 15, 1992
    Inventors: Kenneth R. Paul, Dennis G. Marshall
  • Patent number: D332647
    Type: Grant
    Filed: March 15, 1991
    Date of Patent: January 19, 1993
    Inventor: John Johnson
  • Patent number: D340587
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: October 26, 1993
    Inventor: Thomas H. Spencer
  • Patent number: D347738
    Type: Grant
    Filed: September 15, 1992
    Date of Patent: June 14, 1994
    Inventors: Wilbur W. Woodward, James D. Woodward
  • Patent number: D351739
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: October 25, 1994
    Inventor: James H. Cannon
  • Patent number: D362727
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: September 26, 1995
    Assignee: Step and a Half Toys L.L.C.
    Inventor: James J. Wilcox
  • Patent number: D362728
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: September 26, 1995
    Assignee: Step and a Half Toys L.L.C.
    Inventor: James J. Wilcox
  • Patent number: D383261
    Type: Grant
    Filed: October 27, 1995
    Date of Patent: September 2, 1997
    Inventors: Lowell R. Karsten, Deborah K. Karsten, Steven D. Goldenbogen
  • Patent number: D397228
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: August 18, 1998
    Assignee: Werner Co.
    Inventors: Randall Bell, Walter Herbst, Eric C. Horne, Edward E. Heald
  • Patent number: D401353
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: November 17, 1998
    Assignee: Werner Co.
    Inventors: Randall Bell, Walter Herbst
  • Patent number: D402045
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: December 1, 1998
    Inventor: Randall Ray Lougee
  • Patent number: D408555
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: April 20, 1999
    Assignee: Fibergrate Composite Structures Incorporated
    Inventor: Donald H. Albrecht
  • Patent number: D411888
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: July 6, 1999
    Assignee: Cosco, Inc.
    Inventor: Raymond P. King
  • Patent number: D414566
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: September 28, 1999
    Assignee: Cosco, Inc.
    Inventors: William R. Gibson, Enrique R. Giner
  • Patent number: D433156
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: October 31, 2000
    Assignee: Cosco Management, Inc.
    Inventors: William R. Gibson, Enrique R. Giner
  • Patent number: D434855
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: December 5, 2000
    Assignee: Cosco Management, Inc.
    Inventors: Steve Ullum, Jerry R. Smith