Foundation exhaust fan
Description
Claims
The ornamental design for a foundation exhaust fan, as shown.
Referenced Cited
U.S. Patent Documents
Other references
D49102 | May 1916 | Triggs |
1875684 | September 1932 | Waterbury |
3985158 | October 12, 1976 | Felter |
4009894 | March 1, 1977 | Marquette |
D269293 | June 7, 1983 | Peirce |
D269700 | July 12, 1983 | Peirce |
4699045 | October 13, 1987 | Hensley |
D298853 | December 6, 1988 | Waltz |
D315790 | March 26, 1991 | Koessler |
D358205 | May 9, 1995 | Ruhland |
6494780 | December 17, 2002 | Norbury, Jr. |
D475131 | May 27, 2003 | Pilger |
D518566 | April 4, 2006 | Bratton |
D581487 | November 25, 2008 | Wildfang |
D583042 | December 16, 2008 | Jackson |
D593193 | May 26, 2009 | Jackson |
D607098 | December 29, 2009 | Sykes |
D654162 | February 14, 2012 | Sykes |
D717986 | November 18, 2014 | McClure |
D736366 | August 11, 2015 | Picco |
D761411 | July 12, 2016 | Schanzenbach |
D812211 | March 6, 2018 | Daniels |
- Power Blades Power Fan—Crawl Space Vent Fan, date first available Jun. 24, 2017, amazon.com, site visited Apr. 28, 2019, Copyright © 1996-2019, Available from Internet, <https://www.amazon.com/Power-Blades-Fan-Crawl-Space/dp/B01MSW5QQA/ref=sr_1_4?ie=UTF8&qid=1549132630&sr=8-4&keywords=power+foundation+vent>.
Patent History
Patent number: D875233
Type: Grant
Filed: Feb 15, 2018
Date of Patent: Feb 11, 2020
Inventor: William G. Sykes (Virginia Beach, VA)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/637,302
Type: Grant
Filed: Feb 15, 2018
Date of Patent: Feb 11, 2020
Inventor: William G. Sykes (Virginia Beach, VA)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Sharon S Oum
Application Number: 29/637,302
Classifications