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; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D245501 August 23, 1977 Fitch
D283224 April 1, 1986 Lametto et al.
D285447 September 2, 1986 Dudeck et al.
D327271 June 23, 1992 Cadotte et al.
D327272 June 23, 1992 Cadotte et al.
D327273 June 23, 1992 Cadotte et al.
4132504 January 2, 1979 Fitch
4273515 June 16, 1981 Fitch
Other references
  • Bulletin No. 406-I, "Installation and Operation; Nash Vacuum Pumps; CL Series-Sizes 3000-4000-6000-9000", Nash Engineering 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: D405096
Type: Grant
Filed: Jan 5, 1998
Date of Patent: Feb 2, 1999
Assignee: The Nash Engineering Company (Trumbull, CT)
Inventor: Carl G. Dudeck (Newtown, CT)
Primary Examiner: Ralf Seifert
Attorney: Fish & Neave
Application Number: 0/81,530
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: 1502;