Flood vent
Description
Claims
An ornamental design for a flood vent, as shown and described.
Referenced Cited
U.S. Patent Documents
D111597 | October 1938 | Fader |
3203079 | August 1965 | Smith et al. |
3232205 | February 1966 | Bumstead |
3245224 | April 1966 | Wilkinson |
D222895 | January 1972 | Zampetti |
3771320 | November 1973 | Kenneryd et al. |
4274330 | June 23, 1981 | Witten et al. |
4711160 | December 8, 1987 | Witten et al. |
5372543 | December 13, 1994 | Steele |
D377390 | January 14, 1997 | Ketcham |
5720660 | February 24, 1998 | Benedetto et al. |
6575826 | June 10, 2003 | Myint |
D520626 | May 9, 2006 | Angers et al. |
Patent History
Patent number: D576723
Type: Grant
Filed: Jan 29, 2008
Date of Patent: Sep 9, 2008
Inventor: John J. Achen (Yuma, AZ)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Cahill, von Hellens & Glazer, PLC
Application Number: 29/302,965
Type: Grant
Filed: Jan 29, 2008
Date of Patent: Sep 9, 2008
Inventor: John J. Achen (Yuma, AZ)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Cahill, von Hellens & Glazer, PLC
Application Number: 29/302,965
Classifications
Current U.S. Class:
Vent, Ductwork, Or Element Thereof (D23/393)