Ventilation duct insert
Claims
The ornamental design for a ventilation duct insert, as shown and described.
1709650 | April 1929 | Allen |
4457215 | July 3, 1984 | Vogt |
5919582 | July 6, 1999 | Pedicini |
6183359 | February 6, 2001 | Klein |
D683441 | May 28, 2013 | Simone |
20070015456 | January 18, 2007 | Lowtan |
20100062704 | March 11, 2010 | Markovich |
- Examiner's Report dated Dec. 15, 2015 with respect to corresponding Canadian industrial design application (priority application) No. 164029.
Type: Grant
Filed: Feb 17, 2016
Date of Patent: Jun 4, 2019
Inventor: Trevor Drummond (Almonte)
Primary Examiner: Charles D Hanson
Application Number: 29/554,938