Combined pressure relief valve and clamp
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Description
FIG. 1 is a top view of a combined pressure relief value and clamp showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side being the same as the side shown;
FIG. 3 is a bottom view thereof, and
FIG. 4 is another side elevational view taken 90 degrees from the side shown in FIG. 2, the opposite side being the same as the side shown.
Referenced Cited
U.S. Patent Documents
D130007 | October 1941 | Ranney |
D226524 | March 1973 | Brindisi |
D226952 | May 1973 | Brindisi |
D259507 | June 9, 1981 | MacInnes et al. |
1774690 | September 1930 | Willaughby |
2592673 | April 1952 | Folmsbee |
2599622 | June 1952 | Folmsbee |
2821991 | February 1958 | Marx |
2886054 | May 1959 | Smith et al. |
3008485 | November 1961 | Johnson et al. |
3035604 | May 1962 | Portis |
3131718 | May 1964 | Mingrone |
4074696 | February 21, 1978 | Romanowski |
4431023 | February 14, 1984 | Johnson |
Patent History
Patent number: D282393
Type: Grant
Filed: Apr 1, 1983
Date of Patent: Jan 28, 1986
Assignee: Qualitrol Corporation (Fairport, NY)
Inventor: Wendell D. Johnson (Fairport, NY)
Primary Examiner: James R. Largen
Attorneys: S. J. Rudy, C. L. Johnson
Application Number: 6/481,258
Type: Grant
Filed: Apr 1, 1983
Date of Patent: Jan 28, 1986
Assignee: Qualitrol Corporation (Fairport, NY)
Inventor: Wendell D. Johnson (Fairport, NY)
Primary Examiner: James R. Largen
Attorneys: S. J. Rudy, C. L. Johnson
Application Number: 6/481,258
Classifications
Current U.S. Class:
D23/20