Pressure valve
Description
FIG. 1 is a perspective view of a pressure valve showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right elevational view thereof.
The broken lines showing the interior structures are for illustrative purposes only and form no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D96691 | August 1935 | Nelson |
D97858 | December 1935 | MacCowan |
D222802 | January 1972 | Siebel |
D242709 | December 14, 1976 | Schourup |
D263163 | February 23, 1982 | Olde |
D266019 | August 31, 1982 | Crossman |
D325428 | April 14, 1992 | Vitsur |
D347465 | May 31, 1994 | Luppino |
729027 | May 1903 | Wilson |
1356298 | October 1920 | McGregor |
2995148 | August 1961 | Novak et al. |
4953584 | September 4, 1990 | Vegso |
1179894 | May 1959 | FRX |
1278603 | November 1961 | FRX |
337694 | November 1930 | GBX |
- Anderson Metals Corporation Cat. 6187 .COPYRGT.1987; p. 35; center column: Evaporative Cooler Fitting.
Patent History
Patent number: D398955
Type: Grant
Filed: Mar 26, 1996
Date of Patent: Sep 29, 1998
Inventor: Tatsuo Shimizu (Shimosugishita, Takakura, Hiwada-machi, Koriyama-shi, Fukushima)
Primary Examiner: Ted Shooman
Assistant Examiner: C. Tuttle
Law Firm: Foley & Lardner
Application Number: 0/52,192
Type: Grant
Filed: Mar 26, 1996
Date of Patent: Sep 29, 1998
Inventor: Tatsuo Shimizu (Shimosugishita, Takakura, Hiwada-machi, Koriyama-shi, Fukushima)
Primary Examiner: Ted Shooman
Assistant Examiner: C. Tuttle
Law Firm: Foley & Lardner
Application Number: 0/52,192
Classifications
Current U.S. Class:
Pressure Regulating Or Relieving (D23/235);
Symmetrical On One Axis (D23/248)
International Classification: 2301;
International Classification: 2301;