1958421

Information

• Patent Grant
• 1958421

• References
• Source

• Patent Number

  1,958,421

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1934
  91 years ago

• CPC

  • E04H7/14 - ball-shaped
  • B23K5/006 - specially adapted for particular articles or work

• US Classifications

  • 228 - Metal fusion bonding
  • 220 - Receptacles