3912121

Information

• Patent Grant
• 3912121

• References
• Source

• Patent Number

  3,912,121

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • A01C7/105 - Seed sensors
  • A01C7/10 - Devices for adjusting the seed-box Regulation of machines for depositing quantities at intervals
  • G05D7/0611 - characterised by the set value given to the control element
  • Y02P60/16 - Machines for direct seeding
  • Y10S111/904 - Population control function

• US Classifications

  • 221 - Article dispensing
  • 111 - Planting
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems