Light metal pump

• US 2,768,587 A
• Filed: 01/02/1952
• Issued: 10/30/1956
• Est. Priority Date: 01/02/1952
• Status: Expired due to Term

• Current Assignee: Ernest R. Corneil
• Original Assignee: Ernest R. Corneil
• Inventors: Corneil, Ernest R.
• Application Number:
  US03/264,415
• Time in Patent Office: 1,763 Days
• US Class Current: 417/443
• CPC Class Codes: F04B 15/04 the fluids being hot or corrosive for liquids near their boiling point, e.g. under subnormal pressure, F04B15/06
• CPC Class Codes: F04B 53/14 Pistons, piston-rods or piston-rod connections
• CPC Class Codes: F04B 53/164 Stoffing boxes
• CPC Class Codes: F04B 7/0053 for reciprocating distribution members
• CPC Class Codes: F04B 7/04 in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports

Claims