1492344

Information

• Patent Grant
• 1492344

• References
• Source

• Patent Number

  1,492,344

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1924
  100 years ago

• CPC

  • E02B9/022 - Closures
  • Y02E10/22 - Conventional

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 251 - Valves and valve actuation