1693930

Information

• Patent Grant
• 1693930

• References
• Source

• Patent Number

  1,693,930

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1928
  96 years ago

• CPC

  • B27K3/06 - Sap stream methods
  • B27K3/22 - Compounds of zinc or copper
  • B27K3/28 - Compounds of arsenic or antimony
  • B27K3/32 - Mixtures of different inorganic impregnating agents

• US Classifications

  • 047 - Plant husbandry
  • 427 - Coating processes