1743890

Information

• Patent Grant
• 1743890

• References
• Source

• Patent Number

  1,743,890

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1930
  94 years ago

• CPC

  • E02F9/2833 - Retaining means
  • Y10S76/03 - Casting

• US Classifications

  • 037 - Excavating
  • 076 - Metal tools and implements, making
  • 164 - Metal founding