507904

Information

• Patent Grant
• 507904

• References
• Source

• Patent Number

  507,904

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1893
  131 years ago

• CPC

  • B23B31/16225 - with a centre
  • Y10T279/17025 - Radially reciprocating jaws

• US Classifications

  • 279 - Chucks or sockets
  • 470 - Threaded, headed fastener, or washer making: process and apparatus