2145276

Information

• Patent Grant
• 2145276

• References
• Source

• Patent Number

  2,145,276

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1939
  86 years ago

• CPC

  • B23K11/006 - Welding a tip to a base
  • Y10T29/49577 - Phonograph component making

• US Classifications

  • 219 - Electric heating
  • 029 - Metal working
  • 369 - Dynamic information storage or retrieval