1872410

Information

• Patent Grant
• 1872410

• References
• Source

• Patent Number

  1,872,410

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • B23K7/006 - for tubes
  • Y10T29/4539 - with heater
  • Y10T29/496 - Multiperforated metal article making

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working