Two-step heavy-duty stepladder
Latest Tricam Industries, Inc. Patents:
Description
The broken lines in the drawings are included for the purpose of illustrating portions of the two-step heavy-duty ladder and form no part of the claimed design.
Claims
We claim the ornamental design for two-step heavy-duty stepladder, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
2470053 | May 1949 | Salisbury |
2485413 | October 1949 | Ross |
2650014 | August 1953 | Harrison |
2865546 | December 1958 | Shull |
2899008 | August 1959 | Larson |
2957542 | October 1960 | Rizzuto |
3446310 | May 1969 | Alfie |
3625388 | December 1971 | Golden et al. |
3744591 | July 1973 | Lucci et al. |
4270463 | June 2, 1981 | Korzon |
4452484 | June 5, 1984 | Pastor |
4485892 | December 4, 1984 | Maloney |
4502564 | March 5, 1985 | Kümmerlin et al. |
4586586 | May 6, 1986 | Canals |
4653713 | March 31, 1987 | Hamilton |
4936463 | June 26, 1990 | Tiramani |
4979590 | December 25, 1990 | Bailey |
5035389 | July 30, 1991 | Wang |
5052581 | October 1, 1991 | Christ et al. |
5120013 | June 9, 1992 | Sweeney |
5240214 | August 31, 1993 | Bimbaum |
5337857 | August 16, 1994 | Spait |
5370263 | December 6, 1994 | Brown |
5421428 | June 6, 1995 | Ingles |
5573081 | November 12, 1996 | Bartnicki et al. |
5584357 | December 17, 1996 | Gugel |
5613574 | March 25, 1997 | Melanson |
5622010 | April 22, 1997 | Weber |
5673885 | October 7, 1997 | Pham |
5722507 | March 3, 1998 | Kain |
5740883 | April 21, 1998 | Trank |
5782314 | July 21, 1998 | Zeitler |
5873433 | February 23, 1999 | Katz |
5913380 | June 22, 1999 | Gugel |
5967260 | October 19, 1999 | Spak |
6012548 | January 11, 2000 | Kim |
6098748 | August 8, 2000 | Harper, Jr. et al. |
6347687 | February 19, 2002 | Alim |
6390237 | May 21, 2002 | Kim et al. |
6390238 | May 21, 2002 | Gibson |
6401862 | June 11, 2002 | Caron |
6427805 | August 6, 2002 | Gibson |
6443260 | September 3, 2002 | Katz |
6443261 | September 3, 2002 | Gibson |
6467577 | October 22, 2002 | Charlebois, Jr. |
6550579 | April 22, 2003 | Gibson |
6698699 | March 2, 2004 | Bailey |
6883529 | April 26, 2005 | Kvaternik |
6902034 | June 7, 2005 | Gibson et al. |
7000732 | February 21, 2006 | Briggs, Jr. |
7032711 | April 25, 2006 | Katz et al. |
7108103 | September 19, 2006 | Meeker |
7128187 | October 31, 2006 | Simpson |
D541432 | April 24, 2007 | Rapp |
7204343 | April 17, 2007 | Seaman |
D548364 | August 7, 2007 | Skubic |
D554771 | November 6, 2007 | Skubic |
7370726 | May 13, 2008 | Chavez |
7415933 | August 26, 2008 | Sagol |
7648108 | January 19, 2010 | Peterson |
7861826 | January 4, 2011 | Meyers et al. |
7886872 | February 15, 2011 | Astor |
7931123 | April 26, 2011 | Moldthan |
7967111 | June 28, 2011 | Meyers et al. |
D642283 | July 26, 2011 | Ericksson |
8186481 | May 29, 2012 | Moss et al. |
8272478 | September 25, 2012 | Astor |
8453796 | June 4, 2013 | Astor |
8579083 | November 12, 2013 | Astor |
8596454 | December 3, 2013 | Carlson |
8997931 | April 7, 2015 | Parker |
9309718 | April 12, 2016 | Matthew |
9428958 | August 30, 2016 | Ellis |
D766461 | September 13, 2016 | Moss et al. |
D766462 | September 13, 2016 | Moss et al. |
D777350 | January 24, 2017 | Moss et al. |
9714541 | July 25, 2017 | Astor |
9714542 | July 25, 2017 | Harcz |
9850706 | December 26, 2017 | Astor |
D833643 | November 13, 2018 | Foley |
10138680 | November 27, 2018 | Williams et al. |
D838386 | January 15, 2019 | Woodward |
10184292 | January 22, 2019 | Latimer |
10208538 | February 19, 2019 | Astor |
10619416 | April 14, 2020 | Snell |
10633918 | April 28, 2020 | Wulfekotte |
10648234 | May 12, 2020 | Skubic |
D889689 | July 7, 2020 | Russell |
10709238 | July 14, 2020 | Thompson |
D898944 | October 13, 2020 | Green |
10801263 | October 13, 2020 | Dangrow |
D920541 | May 25, 2021 | Mittanck |
D921224 | June 1, 2021 | Mittanck |
11167407 | November 9, 2021 | McGee |
11220862 | January 11, 2022 | Skubic et al. |
D972169 | December 6, 2022 | Yan |
11655676 | May 23, 2023 | Foley |
20020017430 | February 14, 2002 | Rosko |
20020017431 | February 14, 2002 | Gibson |
20020104709 | August 8, 2002 | Hines |
20030029676 | February 13, 2003 | Gibson |
20040000449 | January 1, 2004 | Meeker |
20040007424 | January 15, 2004 | Simpson |
20060006024 | January 12, 2006 | Till |
20070120028 | May 31, 2007 | Kane |
20070163837 | July 19, 2007 | Dyer |
20070181369 | August 9, 2007 | Gibson |
20070193829 | August 23, 2007 | Aster |
20070240935 | October 18, 2007 | O'Brien |
20070284191 | December 13, 2007 | Astor |
20070284192 | December 13, 2007 | Meyers |
20090078504 | March 26, 2009 | Astor |
20090272602 | November 5, 2009 | Kocher |
20100224445 | September 9, 2010 | Moss et al. |
20110024234 | February 3, 2011 | Lin |
20120211305 | August 23, 2012 | Moss et al. |
20120217093 | August 30, 2012 | Latimer |
20120228059 | September 13, 2012 | Lampe et al. |
20130146394 | June 13, 2013 | Astor |
20130270037 | October 17, 2013 | Pensieri |
20140054112 | February 27, 2014 | Astor |
20140224585 | August 14, 2014 | Russell |
20140326538 | November 6, 2014 | Najey |
20140332316 | November 13, 2014 | Tiber et al. |
20150014094 | January 15, 2015 | Brooks |
20150090533 | April 2, 2015 | Moss et al. |
20150159434 | June 11, 2015 | Leng |
20160024845 | January 28, 2016 | Coe |
20160038789 | February 11, 2016 | Cheyne |
20160177626 | June 23, 2016 | Miller |
20160348434 | December 1, 2016 | Williams |
20170251826 | September 7, 2017 | Sclare |
20170328131 | November 16, 2017 | Woodward et al. |
20200170419 | June 4, 2020 | Sclare et al. |
20200270946 | August 27, 2020 | Lawery |
20210037989 | February 11, 2021 | Rogers |
20230119062 | April 20, 2023 | Zhu |
2007101150 | January 2008 | AU |
2777593 | October 1999 | FR |
2816984 | May 2002 | FR |
WO 2010/084135 | July 2010 | WO |
- Polder® 3-Step Ladder. Crate and Barrel, http://www.crateandbarrel.com/polder-3-step-ladder/s451498, accessed May 6, 2015.
- Cosco Signature Series 6 ft. Premium Aluminum Step Ladder, Home Depot, http://www.homedepot.com/p/Cosco-Signature-Series-6-ft-Premium-Aluminum-Step-Ladder-2061AABLD/203642157, accessed May 6, 2015.
- Werner 4 ft. Fiberglass Platform Step Ladder with 375 lb. Load Capacity Type IAA Duty Rating. Home Depot, http://www.homedepot.com/p/Werner-4-ft-Fiberglass-Platform-Step-Ladder-with-375-lb-Load-Capacity-Type-IAA-Duty-Rating-P7404/203134335, accessed May 6, 2015.
- Application and File History for U.S. Appl. No. 14/617,441, filed Feb. 9, 2015. Inventors: Jeff Skubic et al.
- Application and File History for U.S. Appl. No. 16/834,561, filed Mar. 30, 2020. Inventors: Jeff Skubic et al.
Patent History
Patent number: D1009303
Type: Grant
Filed: Feb 7, 2022
Date of Patent: Dec 26, 2023
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Benjamin M. Wernberg (Savage, MN), Joseph P. Foley (St. Paul, MN), Benjamin P. Williams (Chaska, MN)
Primary Examiner: Gino Colan
Application Number: 29/825,908
Type: Grant
Filed: Feb 7, 2022
Date of Patent: Dec 26, 2023
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Benjamin M. Wernberg (Savage, MN), Joseph P. Foley (St. Paul, MN), Benjamin P. Williams (Chaska, MN)
Primary Examiner: Gino Colan
Application Number: 29/825,908
Classifications
Current U.S. Class:
Step Stool Type (D25/65)