121771

Information

• Patent Grant
• 121771

• References
• Source

• Patent Number

  121,771

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1871
  153 years ago

• CPC

  • E03B9/14 - Draining devices for hydrants
  • Y10T137/5509 - With disabling means
  • Y10T137/5532 - Reciprocating relatively fixed valves

• US Classifications

  • 137 - Fluid handling