3388505

Information

• Patent Grant
• 3388505

• References
• Source

• Patent Number

  3,388,505

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1968
  56 years ago

• CPC

  • B24B5/40 - for grinding tubes internally
  • B24B5/36 - Single-purpose machines or devices
  • B24B19/00 - Single-purpose machines or devices for particular grinding operations not covered by any other main group
  • B24B27/027 - having a flexible shaft

• US Classifications

  • 451 - Abrading
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts