3877172

Information

• Patent Grant
• 3877172

• References
• Source

• Patent Number

  3,877,172

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • A01G31/001 - Soilless culture substrates
  • A01G2031/002 - Substrates with a flexible envelope
  • A01G2031/003 - with foam substrates
  • Y02P60/216 - Aquaponics or hydroponics

• US Classifications

  • 047 - Plant husbandry