Sound amplification device
Description
The broken lines are included for the purpose of illustrating environmental structure and form no part of the claimed designs used in
Claims
The ornamental design for a sound amplification device, as shown and described.
Referenced Cited
U.S. Patent Documents
1621629 | March 1927 | Dawson |
1761666 | June 1930 | Hinternesch |
2537201 | January 1951 | Amfitheatrof |
4768613 | September 6, 1988 | Brown |
4771859 | September 20, 1988 | Breland |
4997056 | March 5, 1991 | Riley |
5189265 | February 23, 1993 | Tilkens |
5345512 | September 6, 1994 | Lee |
5438706 | August 8, 1995 | Lambur |
D371150 | June 25, 1996 | Bolash, IV |
D374451 | October 8, 1996 | Gurwin |
D387191 | December 9, 1997 | Berke |
D391040 | February 24, 1998 | Berke |
5965850 | October 12, 1999 | Fraser |
6229901 | May 8, 2001 | Mickelson |
8122995 | February 28, 2012 | Riley |
D662969 | July 3, 2012 | Napper |
D667813 | September 25, 2012 | Hickson |
D674492 | January 15, 2013 | Vogel |
D771740 | November 15, 2016 | Fromm |
D771741 | November 15, 2016 | Everest |
D786957 | May 16, 2017 | Sheldon |
20060151236 | July 13, 2006 | McCool |
Patent History
Patent number: D848521
Type: Grant
Filed: Feb 23, 2017
Date of Patent: May 14, 2019
Inventor: Be Be (Edgewater, CO)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Sanjeev Paul
Application Number: 29/594,865
Type: Grant
Filed: Feb 23, 2017
Date of Patent: May 14, 2019
Inventor: Be Be (Edgewater, CO)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Sanjeev Paul
Application Number: 29/594,865
Classifications
Current U.S. Class:
Element Or Attachment (D16/330)