Heavy duty steel bed frame
Description
Claims
The ornamental design for a heavy duty steel bed frame, as shown and described.
Referenced Cited
U.S. Patent Documents
| D30326 | March 1899 | Camp |
| 3100304 | August 1963 | Brandlin |
| 3781930 | January 1974 | Spitz |
| 3952345 | April 27, 1976 | Spitz |
| 4038710 | August 2, 1977 | Tambascio |
| 4070718 | January 31, 1978 | Spitz |
| 4103374 | August 1, 1978 | Knoke |
| 4218789 | August 26, 1980 | Grassi |
| 4430763 | February 14, 1984 | Whitehead |
| 4536904 | August 27, 1985 | Whitehead |
| 5996145 | December 7, 1999 | Taylor |
| 6397412 | June 4, 2002 | Quintile |
| 7437783 | October 21, 2008 | Navarro |
| 7865981 | January 11, 2011 | Harrow |
| 7954184 | June 7, 2011 | Polevoy |
| 8707478 | April 29, 2014 | Jin |
| 8832876 | September 16, 2014 | Oh |
| 9131779 | September 15, 2015 | Jin |
| 9247825 | February 2, 2016 | Polevoy |
| 9414690 | August 16, 2016 | Harrow |
| 20030200608 | October 30, 2003 | Polevoy |
| 20050278848 | December 22, 2005 | Polevoy |
| 20080222802 | September 18, 2008 | Harrow |
| 20090133191 | May 28, 2009 | Harrow |
| 20090300840 | December 10, 2009 | Polevoy |
| 20100175186 | July 15, 2010 | Harrow |
| 20110094030 | April 28, 2011 | Harrington |
| 20140208507 | July 31, 2014 | Dwyer |
| 20140338125 | November 20, 2014 | Polevoy |
Patent History
Patent number: D779868
Type: Grant
Filed: Dec 7, 2015
Date of Patent: Feb 28, 2017
Inventor: Hongyan Zhu (Dongguan)
Primary Examiner: Cathron Brooks
Application Number: 29/547,688
Type: Grant
Filed: Dec 7, 2015
Date of Patent: Feb 28, 2017
Inventor: Hongyan Zhu (Dongguan)
Primary Examiner: Cathron Brooks
Application Number: 29/547,688
Classifications
Current U.S. Class:
D6/718