Ballerina key
Description
The broken lines are for illustration purposes only and form no part of the claimed design.
Claims
The ornamental design for a ballerina key, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2529815 | November 1950 | Rothe |
| D190598 | June 1961 | Manzardo |
| D225301 | December 1972 | Uliano |
| 5577403 | November 26, 1996 | Steeley |
| D491186 | June 8, 2004 | Arakaki |
| D632543 | February 15, 2011 | Liu |
| D659509 | May 15, 2012 | Dhaliwal |
| D663607 | July 17, 2012 | Rand |
| D691021 | October 8, 2013 | Rand |
| D717154 | November 11, 2014 | Li |
| D723413 | March 3, 2015 | Nelson |
Patent History
Patent number: D804284
Type: Grant
Filed: Oct 27, 2016
Date of Patent: Dec 5, 2017
Inventor: David W. Rand (Longmont, CO)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/580,196
Type: Grant
Filed: Oct 27, 2016
Date of Patent: Dec 5, 2017
Inventor: David W. Rand (Longmont, CO)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/580,196
Classifications
Current U.S. Class:
D8/348;
D8/347