Step stool
Latest SKERPA DESIGN INC. Patents:
Description
The portions of the step stool shown in broken lines form no part of the claimed design.
Claims
The ornamental design for a step stool, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D206379 | December 1966 | Good |
D221072 | July 1971 | Arenhold |
D225818 | January 1973 | Torrey |
D311282 | October 16, 1990 | Tooley |
D347666 | June 7, 1994 | Hand |
D349540 | August 9, 1994 | Hand et al. |
6568506 | May 27, 2003 | Donnalley |
D567395 | April 22, 2008 | Bishop et al. |
D586572 | February 17, 2009 | Collette |
D600928 | September 29, 2009 | Rake |
D600929 | September 29, 2009 | Kemnitzer |
D628247 | November 30, 2010 | de Boers et al. |
D652651 | January 24, 2012 | Wittenberg et al. |
D663492 | July 10, 2012 | Haaf et al. |
- Medical aluminum step stool. Mazzamorphos 2015. [online] Retrieved Aug. 5, 2015 from URL: <http://www.skerpadesign.com/our-works/>.
Patent History
Patent number: D745286
Type: Grant
Filed: Dec 3, 2014
Date of Patent: Dec 15, 2015
Assignee: SKERPA DESIGN INC. (Montreal, QC)
Inventor: Daniel Thibault (Montreal)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Vy Koenig
Application Number: 29/510,800
Type: Grant
Filed: Dec 3, 2014
Date of Patent: Dec 15, 2015
Assignee: SKERPA DESIGN INC. (Montreal, QC)
Inventor: Daniel Thibault (Montreal)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Vy Koenig
Application Number: 29/510,800
Classifications
Current U.S. Class:
D6/349