2236084

Information

• Patent Grant
• 2236084

• References
• Source

• Patent Number

  2,236,084

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1941
  83 years ago

• CPC

  • F16L55/0338 - by means of a membrane

• US Classifications

  • 138 - Pipes and tubular conduits