MEANS FOR SECURING STANDPIPES TO IRRIGATION PIPELINES

• US 3,443,581 A
• Filed: 10/24/1966
• Issued: 05/13/1969
• Est. Priority Date: 10/29/1965
• Status: Expired due to Term

• Current Assignee: Hugh R. Lyell
• Original Assignee: Hugh R. Lyell
• Inventors: Lyell, Hugh R.
• Application Number:
  US04/589,007
• Time in Patent Office: 932 Days
• US Class Current: 137/322
• CPC Class Codes: F16L 37/008 for branching pipes; for joining pipes to walls
• CPC Class Codes: F16L 37/18 Joints tightened by eccentrics or rotatable cams
• CPC Class Codes: F16L 37/40 with a lift valve being opened automatically when the coupling is applied
• CPC Class Codes: F16L 41/021 T- or cross-pieces F16L41/025, F16L41/026, F16L41/028 take precedence
• CPC Class Codes: Y10T 137/6137 Longitudinal movement of valve
• CPC Class Codes: Y10T 137/6966 Static constructional installations

Claims