2189213

Information

• Patent Grant
• 2189213

• References
• Source

• Patent Number

  2,189,213

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  85 years ago

• CPC

  • A01K5/0291 - with timing mechanisms
  • Y10T70/7011 - Positively initiated delay interval

• US Classifications

  • 119 - Animal husbandry
  • 070 - Locks
  • 222 - Dispensing