Pump

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Description

FIG. 1 is a perspective view of a pump showing our new design;

FIG. 2 is an end elevational view thereof, the opposite end being a mirror image;

FIG. 3 is an elevational view of one side thereof;

FIG. 4 is an elevational view of the opposite side thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D110935 August 1938 Voorhees et al.
D202145 August 1965 Schroeder et al.
D229236 November 1973 Doolin
3154240 October 1964 Jennings
3217975 November 1965 Jennings
3351272 November 1967 Jennings
3712764 January 1973 Shearwood
3846046 November 1974 Roe et al.
4257747 March 24, 1981 Goldman
Other references
  • Bulletin No. 406-I, "Installation and Operation; Nash Vacuum Pumps; CL Series-Sizes 3000-4000-6000-9000", Nash Engieering Company, 1966. Bulletin No. 472-G, "Nash.RTM. Type CL Vacuum Pumps", Nash Engineering Company, 1971. Bulletin No. 473-A, "The Nash.RTM. Principle of Operation or . . . ", Nash Engineering Company, 8-80. Bulletin No. 512-A, "Installation and Operation; Nash Vacuum Pumps; AU CL Series-Size 14000", Nash Engineering Company, 1974.
Patent History
Patent number: D283224
Type: Grant
Filed: Dec 5, 1983
Date of Patent: Apr 1, 1986
Assignee: The Nash Engineering Company (Norwalk, CT)
Inventors: Richard A. Lametto (West Redding, CT), Clark A. Schuyler, Jr. (Norwalk, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lynn Wilder
Attorneys: Robert R. Jackson, David W. Plant
Application Number: 6/557,955
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)