920080

Information

• Patent Grant
• 920080

• References
• Source

• Patent Number

  920,080

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1909
  115 years ago

• CPC

  • B23B39/205 - Turret head drilling machines
  • Y10T408/60 - Plural tool-assemblages
  • Y10T408/639 - Reversible ratchet

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool