Step unit
Members of the step unit are shown separately in
Claims
The ornamental design for a step unit, as shown and described.
3399746 | September 1968 | Wood |
4449612 | May 22, 1984 | Southard |
4932497 | June 12, 1990 | Raso |
5544717 | August 13, 1996 | White et al. |
5941485 | August 24, 1999 | Davidson et al. |
D429002 | August 1, 2000 | Takahashi |
D429003 | August 1, 2000 | Takahashi |
6378822 | April 30, 2002 | Franks |
6595323 | July 22, 2003 | Lindsey et al. |
D631981 | February 1, 2011 | Henry |
D655597 | March 13, 2012 | Matzek et al. |
8387752 | March 5, 2013 | Lagerstedt |
9409055 | August 9, 2016 | Niemela |
20020066620 | June 6, 2002 | Lindsey |
20050040303 | February 24, 2005 | Diggle et al. |
20090045012 | February 19, 2009 | Mencl |
- StepBoltInst.DOC (REV. Feb. 10, 2015) P/N 230311, Buckingham Mfg. Co. Inc., Warnings/Instructions, Step Bolt with Anchor (part No. 3058 & 3075).
- SP421 REV.D, Permanent D-Bolt Anchorage Connectors, Models: 415, 416, 416SS, 417, 417SS, 418, 418SS, 419, 419SS, Miller by Honeywell.
Type: Grant
Filed: Mar 10, 2018
Date of Patent: Mar 26, 2019
Inventor: Glenn Sailer (Escondido, CA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/639,994