1478993

Information

• Patent Grant
• 1478993

• References
• Source

• Patent Number

  1,478,993

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1923
  101 years ago

• CPC

  • B24B15/08 - for grinding co-operating seat surfaces by moving one over the other
  • Y10T74/1824 - Slidable connections
  • Y10T74/19186 - Alternating rotary or continuous

• US Classifications

  • 074 - Machine element or mechanism
  • 451 - Abrading