1930857

Information

• Patent Grant
• 1930857

• References
• Source

• Patent Number

  1,930,857

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1933
  91 years ago

• CPC

  • B23C3/22 - Forming overlapped joints
  • F16J9/14 - Joint-closures
  • Y10T29/49284 - including machining or angular cutting
  • Y10T409/303808 - including infeeding

• US Classifications

  • 029 - Metal working
  • 409 - Gear cutting, milling, or planing