1761887

Information

• Patent Grant
• 1761887

• References
• Source

• Patent Number

  1,761,887

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1930
  94 years ago

• CPC

  • B21D11/085 - by locally stretching or upsetting

• US Classifications

  • 072 - Metal deforming