2830501

Information

• Patent Grant
• 2830501

• References
• Source

• Patent Number

  2,830,501

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1958
  66 years ago

• CPC

  • B23Q35/103 - which turns continuously
  • B23Q35/185 - turning continuously
  • B23Q35/20 - with special means for varying the ratio of reproduction
  • Y10T409/303136 - to make a double curvature foil

• US Classifications

  • 409 - Gear cutting, milling, or planing