Automatic drain valve

Information

  • Patent Grant
  • D838811
  • Patent Number
    D838,811
  • Date Filed
    Friday, August 12, 2016
    8 years ago
  • Date Issued
    Tuesday, January 22, 2019
    5 years ago
  • Inventors
    • Kornblum; Thomas M. (Eureka, MO, US)
  • Original Assignees
  • Examiners
    • Ramirez; Cynthia
    • Colan; Gino
    Agents
    • Stinson Leonard Street LLP
  • US Classifications
    Field of Search
    • US
    • D23 233
    • D23 235
    • D23 249
    • 137 192000
    • 137 195000
    • 137 001000
    • 137 588000
    • 137 015050
    • 137 204000
    • 251 356000
    • CPC
    • F16T1/20
    • F16T1/38
    • F16K27/02
    • F16K1/36
    • B66F5/00
  • International Classifications
    • 2301
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a perspective of an automatic drain valve of the present invention;



FIG. 2 is a perspective of the automatic drain valve as viewed in a different orientation;



FIG. 3 is a front elevation of the automatic drain valve;



FIG. 4 is a right side elevation of the automatic drain valve;



FIG. 5 is a top plan of the automatic drain valve;



FIG. 6 is a left side elevation of the automatic drain valve;



FIG. 7 is a rear elevation of the automatic drain valve; and,



FIG. 8 is a bottom plan of the automatic drain valve.


The broken lines shown in the figures are for the purpose of illustrating portions of the automatic drain valve and form no part of the claimed design.


Claims
  • An ornamental design for an automatic drain valve, as shown and described.
US Referenced Citations (35)
Number Name Date Kind
2186923 Hooper et al. Jan 1940 A
2629458 Allen et al. Feb 1953 A
2677386 Wilkerson May 1954 A
2999509 Hankison et al. Sep 1961 A
3203245 Smallpeice Aug 1965 A
3269403 Smallpeice Aug 1966 A
3275020 Fujiwara Sep 1966 A
3378993 Veres et al. Apr 1968 A
3418789 Hoffman et al. Dec 1968 A
3495617 Zifferer Feb 1970 A
3507098 Veres et al. Apr 1970 A
3980457 Smith Sep 1976 A
3992941 McGoldrick Nov 1976 A
3993090 Hankison Nov 1976 A
4082107 Hoffman et al. Apr 1978 A
4112968 Hoffman et al. Sep 1978 A
4136009 Samiran Jan 1979 A
4729328 Shellenberger Mar 1988 A
4779640 Cummings et al. Oct 1988 A
4823827 Olejak Apr 1989 A
5014735 Cummings May 1991 A
5103855 Chuang Apr 1992 A
5115798 Moore, Jr. et al. May 1992 A
5146947 Vetrini Sep 1992 A
5365969 Edwards Nov 1994 A
5636655 Kawamura et al. Jun 1997 A
5769911 Van De Vijvere Jun 1998 A
5983919 Ottinger et al. Nov 1999 A
D676110 Oike Feb 2013 S
D755348 Mitsuoka May 2016 S
20070006918 Yamamoto Jan 2007 A1
20070137706 Stamatakis et al. Jun 2007 A1
20160252191 Dillon Sep 2016 A1
20170159277 Fima Jun 2017 A9
20170282884 Villanger Oct 2017 A1
Foreign Referenced Citations (5)
Number Date Country
1130308 Sep 2001 EP
2910867 Aug 2015 EP
2107774 May 1972 FR
1387750 Mar 1975 GB
H1163388 Mar 1999 JP