1884143

Information

• Patent Grant
• 1884143

• References
• Source

• Patent Number

  1,884,143

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1932
  92 years ago

• CPC

  • B21D28/28 - in tubes or other hollow bodies
  • Y10T83/391 - With means to position tool[s] for cutting
  • Y10T83/392 - One tool [either internal or external] having compound motion
  • Y10T83/394 - One tool having unidirectional rotary motion
  • Y10T83/756 - Self-locking drive means
  • Y10T83/8771 - Motion direction of tool influenced by resistance of work
  • Y10T83/9379 - At end of shaft

• US Classifications

  • 083 - Cutting
  • 166 - Wells