2507581

Information

• Patent Grant
• 2507581

• References
• Source

• Patent Number

  2,507,581

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1950
  74 years ago

• CPC

  • B23D39/00 - Accessories for broaching machines or broaching devices
  • 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
  • 091 - Motors: expansible chamber type
  • 269 - Work holders