2272055

Information

• Patent Grant
• 2272055

• References
• Source

• Patent Number

  2,272,055

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1942
  83 years ago

• CPC

  • B24B13/0037 - the lenses being worked by different tools
  • Y10T29/5128 - Rotary work - vertical axis
  • Y10T29/5132 - Belt drive

• US Classifications

  • 451 - Abrading
  • 029 - Metal working