2209888

Information

• Patent Grant
• 2209888

• References
• Source

• Patent Number

  2,209,888

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1940
  83 years ago

• CPC

  • E02F7/065 - mounted on a floating dredger
  • B22D17/2227 - Die seals
  • H04Q9/06 - Calling by using amplitude or polarity of dc

• US Classifications

  • 037 - Excavating
  • 198 - Conveyors: power-driven