Stackable rebar chair extension
Description
Claims
The ornamental design for a stackable rebar chair extension, as shown.
Referenced Cited
U.S. Patent Documents
| 4060954 | December 6, 1977 | Liuzza |
| 5595039 | January 21, 1997 | Lowery |
| D428501 | July 18, 2000 | Haslem |
| 6089522 | July 18, 2000 | Haslem |
| D500243 | December 28, 2004 | Turek |
| 7237367 | July 3, 2007 | Sorkin |
| D548056 | August 7, 2007 | Erickson |
| D578379 | October 14, 2008 | Sorkin |
| D578870 | October 21, 2008 | Sorkin |
| 7451580 | November 18, 2008 | Kelly et al. |
| D594737 | June 23, 2009 | Kelly |
| D595117 | June 30, 2009 | Sorkin |
| 7587872 | September 15, 2009 | Kodi |
| 7845136 | December 7, 2010 | Sorkin |
| 7870703 | January 18, 2011 | Sorkin |
| 8322108 | December 4, 2012 | Lee |
| D706608 | June 10, 2014 | Offermann |
| D719817 | December 23, 2014 | Perry |
| D738194 | September 8, 2015 | Baldoni |
| D738195 | September 8, 2015 | Perry |
| D741098 | October 20, 2015 | Andersen |
| 20080028718 | February 7, 2008 | Erickson et al. |
| 20090044481 | February 19, 2009 | Turek |
| 20130125498 | May 23, 2013 | Lowery |
Patent History
Patent number: D838576
Type: Grant
Filed: Jan 19, 2018
Date of Patent: Jan 22, 2019
Assignee: OCM, Inc. (Grayslake, IL)
Inventors: Andy Cramer (Johnsburg, IL), Pete Mazik (Lake Villa, IL)
Primary Examiner: Lakiya G Rogers
Assistant Examiner: Harold E Blackwell, II
Application Number: 29/634,212
Type: Grant
Filed: Jan 19, 2018
Date of Patent: Jan 22, 2019
Assignee: OCM, Inc. (Grayslake, IL)
Inventors: Andy Cramer (Johnsburg, IL), Pete Mazik (Lake Villa, IL)
Primary Examiner: Lakiya G Rogers
Assistant Examiner: Harold E Blackwell, II
Application Number: 29/634,212
Classifications
Current U.S. Class:
D8/354