Crawlspace periscope air vent
Description
Claims
The ornamental design for a crawlspace periscope air vent, as shown.
Referenced Cited
U.S. Patent Documents
Other references
873120 | December 1907 | Dunstan |
1140609 | May 1915 | Razntch |
1310537 | July 1919 | Merkel |
1577464 | March 1926 | High |
1608115 | November 1926 | Niedecken |
1828601 | October 1931 | Frye |
1855438 | April 1932 | Boosey |
D135634 | May 1943 | Stark |
2341113 | February 1944 | Nelson |
2501971 | March 1950 | Schenck |
2664809 | January 1954 | Morell |
2709402 | May 1955 | Malm |
2764929 | October 1956 | Tegarty |
2882961 | April 1959 | Sola |
2885940 | May 1959 | Scallon |
D276839 | December 18, 1984 | McCoy |
4676145 | June 30, 1987 | Allred |
4739524 | April 26, 1988 | Burd |
4821628 | April 18, 1989 | Sarazen et al. |
4957394 | September 18, 1990 | Jarnagin et al. |
D321557 | November 12, 1991 | Bezick et al. |
5167578 | December 1, 1992 | Legault |
D342134 | December 7, 1993 | Mongeon |
5401914 | March 28, 1995 | Curran et al. |
5496213 | March 5, 1996 | Miller |
5728294 | March 17, 1998 | Deming |
D396391 | July 28, 1998 | Rein et al. |
5819435 | October 13, 1998 | Tuggle |
5988166 | November 23, 1999 | Hayek |
6086116 | July 11, 2000 | Smahl |
D439136 | March 20, 2001 | Rogers |
D449873 | October 30, 2001 | Bronson |
6629390 | October 7, 2003 | Wood et al. |
6745491 | June 8, 2004 | Hernandez-Zelaya |
D519627 | April 25, 2006 | Cooper |
D520133 | May 2, 2006 | Cooper |
7040979 | May 9, 2006 | Betz |
20050281617 | December 22, 2005 | Kincheloe |
20060079174 | April 13, 2006 | Dippel |
20070007763 | January 11, 2007 | Deaton |
- http://found-hvac.en.alibaba.com/product/0/50402703/Automatic—Condensate—Vent—Set 2 pages.
Patent History
Patent number: D556315
Type: Grant
Filed: Apr 19, 2006
Date of Patent: Nov 27, 2007
Inventors: James S Jackson (Portsmouth, VA), William G. Sykes (Virginia Beach, VA)
Primary Examiner: Louis Zarfas
Assistant Examiner: David G. Muller
Attorney: William G. Sykes
Application Number: 29/258,185
Type: Grant
Filed: Apr 19, 2006
Date of Patent: Nov 27, 2007
Inventors: James S Jackson (Portsmouth, VA), William G. Sykes (Virginia Beach, VA)
Primary Examiner: Louis Zarfas
Assistant Examiner: David G. Muller
Attorney: William G. Sykes
Application Number: 29/258,185
Classifications
Current U.S. Class:
Vent, Ductwork, Or Element Thereof (D23/393)