Digital combination lock
Description
Claims
The ornamental design for a digital combination lock, as shown and described.
Referenced Cited
U.S. Patent Documents
4444029 | April 24, 1984 | Remington |
D316955 | May 21, 1991 | Goida et al. |
D535548 | January 23, 2007 | Lin |
7155944 | January 2, 2007 | Lin |
D548043 | August 7, 2007 | Yang |
D590695 | April 21, 2009 | Wu |
7779657 | August 24, 2010 | Yu |
D630260 | January 4, 2011 | Cole et al. |
8256250 | September 4, 2012 | Yu |
8353184 | January 15, 2013 | Ling et al. |
D711723 | August 26, 2014 | Garthe |
Patent History
Patent number: D721261
Type: Grant
Filed: Jan 29, 2014
Date of Patent: Jan 20, 2015
Inventors: Ming Hua Yong (Avon, CT), Jim Hui Hong Li (Singapore), Bi Yong Kuu (Singapore)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/480,738
Type: Grant
Filed: Jan 29, 2014
Date of Patent: Jan 20, 2015
Inventors: Ming Hua Yong (Avon, CT), Jim Hui Hong Li (Singapore), Bi Yong Kuu (Singapore)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/480,738
Classifications
Current U.S. Class:
D8/334