1724590

Information

• Patent Grant
• 1724590

• References
• Source

• Patent Number

  1,724,590

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1929
  95 years ago

• CPC

  • F16K31/506 - with plural sets of thread
  • Y10T74/18672 - Plural screws in series [e.g., telescoping, etc.]
  • Y10T74/19735 - Nut disengageable from screw

• US Classifications

  • 074 - Machine element or mechanism
  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation
  • 269 - Work holders