1872235

Information

• Patent Grant
• 1872235

• References
• Source

• Patent Number

  1,872,235

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • B21C37/0818 - Manufacture of tubes by drawing of strip material through dies

• US Classifications

  • 228 - Metal fusion bonding