Sprinkler for fighting fires in oil refineries and the like

- Amoco Corporation
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Description

FIG. 1 is a perspective view of a sprinkler for fighting fires in oil refineries and the like showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a second embodiment thereof;

FIG. 9 is a left side elevational view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a top plan view thereof; and

FIG. 14 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D111526 September 1938 Tammen
D264617 May 25, 1982 Freeman
900869 October 1908 Murphy
1116536 November 1914 Ballreich
1629490 May 1927 Erwin et al.
2985381 May 1961 Cadella
3069100 December 1962 Schuler
4005720 February 1, 1977 Machata
Patent History
Patent number: D313459
Type: Grant
Filed: May 21, 1987
Date of Patent: Jan 1, 1991
Assignee: Amoco Corporation (Chicago, IL)
Inventors: Jack E. Propp (Casper, WY), David W. Owens (Casper, WY)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorneys: Thomas W. Tolpin, William H. Magidson, Ralph C. Medhurst
Application Number: 7/53,417