2713290

Information

• Patent Grant
• 2713290

• References
• Source

• Patent Number

  2,713,290

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1955
  69 years ago

• CPC

  • B23Q35/20 - with special means for varying the ratio of reproduction
  • B44B1/04 - having devices for changing
  • C21D8/00 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
  • Y10T409/3014 - Pivotally supported for vertical movement

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 033 - Geometrical instruments