Gate box safety riser
Description
Claims
The ornamental design for a gate box safety riser, as shown.
Referenced Cited
U.S. Patent Documents
2993600 | July 1961 | Ressler |
4010051 | March 1, 1977 | Ingrey et al. |
D246384 | November 15, 1977 | Brown et al. |
4163503 | August 7, 1979 | McKinnon |
4544302 | October 1, 1985 | Farrelly |
5320445 | June 14, 1994 | Farrelly |
5394898 | March 7, 1995 | Turner |
5542780 | August 6, 1996 | Kourgli |
5996612 | December 7, 1999 | Crawford |
6385913 | May 14, 2002 | Ahn |
6435764 | August 20, 2002 | McNeely |
6651391 | November 25, 2003 | Nale |
6931793 | August 23, 2005 | Joyce |
D570492 | June 3, 2008 | Denmon |
8555555 | October 15, 2013 | Cardwell |
8726577 | May 20, 2014 | Whiting |
8943767 | February 3, 2015 | Lewis |
D753800 | April 12, 2016 | Callaghan |
20020176743 | November 28, 2002 | Shumlansky et al. |
20140328622 | November 6, 2014 | Wasiuta et al. |
Patent History
Patent number: D872838
Type: Grant
Filed: Oct 31, 2017
Date of Patent: Jan 14, 2020
Inventor: David Callaghan (Quincy, MA)
Primary Examiner: Gino Colan
Application Number: 29/624,309
Type: Grant
Filed: Oct 31, 2017
Date of Patent: Jan 14, 2020
Inventor: David Callaghan (Quincy, MA)
Primary Examiner: Gino Colan
Application Number: 29/624,309
Classifications
Current U.S. Class:
Element Or Attachment (D23/249)