1629220

Information

• Patent Grant
• 1629220

• References
• Source

• Patent Number

  1,629,220

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1927
  99 years ago

• CPC

  • B28D5/021 - by drilling
  • Y10T408/488 - Driven by lever or connecting link
  • Y10T408/51 - Ejector

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 125 - Stone working