Pipe couplings

• US 3,054,629 A
• Filed: 09/04/1958
• Issued: 09/18/1962
• Est. Priority Date: 09/04/1958
• Status: Expired due to Term

• Current Assignee: Edward W. Piatek
• Original Assignee: Edward W. Piatek
• Inventors: Piatek, Edward W.
• Application Number:
  US03/758,971
• Time in Patent Office: 1,475 Days
• US Class Current: 285/373
• CPC Class Codes: F16L 17/04 with longitudinally split or divided sleeve
• CPC Class Codes: F16L 21/06 with a divided sleeve or ring clamping around the pipe-ends flanged joints F16L23/00; couplings of the quick-acting type F16L37/00
• CPC Class Codes: F16L 27/1133 the sleeve being longitudinally divided

Claims