2257898

Information

• Patent Grant
• 2257898

• References
• Source

• Patent Number

  2,257,898

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1941
  83 years ago

• CPC

  • B29D30/0662 - Accessories, details or auxiliary operations
  • Y10T279/1079 - Clutch or self-actuating type
  • Y10T279/1921 - Annular rack
  • Y10T279/1986 - Jaws

• US Classifications

  • 157 - Wheelwright machines
  • 279 - Chucks or sockets