Passive sound proliferation device
Description
The broken lines illustrate environment and forms no part of the claimed design.
Claims
The ornamental design for a passive sound proliferation device, substantially as shown and described.
Referenced Cited
U.S. Patent Documents
D55986 | August 1920 | Carlo |
D65901 | June 1924 | Darram |
D67404 | February 1925 | Kirk |
D68980 | May 1925 | Matthews |
2690231 | September 1954 | Levy |
5298692 | March 29, 1994 | Ikeda |
5898788 | April 27, 1999 | Kim |
6116373 | September 12, 2000 | Dodd |
8356568 | January 22, 2013 | Chinn |
D684142 | June 11, 2013 | Sun |
D714282 | September 30, 2014 | Cheon |
D772198 | November 22, 2016 | Hsiao |
Patent History
Patent number: D828328
Type: Grant
Filed: Oct 21, 2016
Date of Patent: Sep 11, 2018
Inventor: Joseph Dieudonne Morin (Springville, UT)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/581,751
Type: Grant
Filed: Oct 21, 2016
Date of Patent: Sep 11, 2018
Inventor: Joseph Dieudonne Morin (Springville, UT)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/581,751
Classifications