1900075

Information

• Patent Grant
• 1900075

• References
• Source

• Patent Number

  1,900,075

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1933
  91 years ago

• CPC

  • B23C3/05 - Finishing valves or valve seats
  • Y10T29/44 - Filing
  • Y10T82/29 - Attachment for cutting a valve
  • Y10T409/306384 - with work supported guide means

• US Classifications

  • 029 - Metal working
  • 082 - Turning
  • 409 - Gear cutting, milling, or planing
  • 451 - Abrading