DRAINAGE-PIPE.

• US 1,259,684 A
• Filed: 10/17/1916
• Issued: 03/19/1918
• Est. Priority Date: 10/17/1916
• Status: Expired due to Term

• Current Assignee: N/A
• Original Assignee: N/A
• Time in Patent Office: 518 Days
• US Class Current: 285/360
• CPC Class Codes: F16L 37/252 the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part

Claims