2539981

Information

• Patent Grant
• 2539981

• References
• Source

• Patent Number

  2,539,981

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1951
  73 years ago

• CPC

  • B23D37/04 - for broaching inner surfaces
  • Y10T409/400525 - Responsive to condition of work or product
  • Y10T409/401925 - with means to protect operative or machine [e.g., guard, safety device, etc.]

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 192 - Clutches and power-stop control