20846

Information

• Patent Grant
• 20846

• References
• Source

• Patent Number

  20,846

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1858
  166 years ago

• CPC

  • B21D28/34 - Perforating tools Die holders
  • Y10S279/907 - Washer type jaw or actuator
  • Y10T83/9428 - Shear-type male tool
  • Y10T83/9476 - Tool is single element with continuous cutting edge [e.g., punch, etc.]
  • Y10T279/1066 - Axially compressible element expands radially
  • Y10T279/17461 - Nonresilient member biased by a resilient member

• US Classifications

  • 083 - Cutting
  • 279 - Chucks or sockets