1987450

Information

• Patent Grant
• 1987450

• References
• Source

• Patent Number

  1,987,450

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1935
  90 years ago

• CPC

  • B23C1/027 - with working-spindle movable in a vertical direction
  • Y10T409/304928 - Adapted to hydraulically or pneumatically stimulate control
  • Y10T409/305096 - to effect stopping of infeed

• US Classifications

  • 409 - Gear cutting, milling, or planing