Combined air compressor tank manifold and valve

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Description

FIG. 1 is a perspective view of a combined air compressor tank manifold and valve showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof; and

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D150459 August 1948 Pitzer
D236724 September 1975 Scheffer, Jr.
2548352 April 1951 Courtot
2825527 March 1958 Wendell
3563265 February 1971 Graham
3779509 December 1973 Vandenbroek
4076211 February 28, 1978 Krechel et al.
Patent History
Patent number: D251011
Type: Grant
Filed: Nov 26, 1976
Date of Patent: Feb 6, 1979
Assignee: Control Devices, Incorporated (St. Louis, MO)
Inventors: Joseph L. Krechel (Ladue, MO), Michael J. Purvis (Maplewood, MO)
Primary Examiner: James R. Largen
Attorney: William B. Cunningham, Jr.
Application Number: 5/745,010
Classifications
Current U.S. Class: D23/20; D23/40
International Classification: D2301;