1971438

Information

• Patent Grant
• 1971438

• References
• Source

• Patent Number

  1,971,438

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1934
  90 years ago

• CPC

  • F16L33/12 - with a pivoted or swinging tightening or securing member
  • Y10S16/33 - Rubber sleeve bearings and hinges

• US Classifications

  • 285 - Pipe joints or couplings
  • 016 - Miscellaneous hardware