1642773

Information

• Patent Grant
• 1642773

• References
• Source

• Patent Number

  1,642,773

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1927
  97 years ago

• CPC

  • B21D28/34 - Perforating tools Die holders
  • Y10T83/8821 - With simple rectilinear reciprocating motion only
  • Y10T279/17829 - U-clamp

• US Classifications

  • 083 - Cutting
  • 279 - Chucks or sockets