2283158

Information

• Patent Grant
• 2283158

• References
• Source

• Patent Number

  2,283,158

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1942
  82 years ago

• CPC

  • B23K3/00 - Tools, devices, or special appurtenances for soldering
  • Y10T29/53626 - Flat spiral spring [e.g., watch or clock type]

• US Classifications

  • 219 - Electric heating
  • 029 - Metal working
  • 164 - Metal founding