2557055

Information

• Patent Grant
• 2557055

• References
• Source

• Patent Number

  2,557,055

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1951
  73 years ago

• CPC

  • G04D3/0053 - for framework components
  • B44B3/02 - wherein plane surfaces are worked
  • B44B2700/023 - for engraving parallel lines of flat surfaces
  • Y10T409/505084 - with plural sequentially acting cutters or with double acting cutter
  • Y10T409/505412 - Reciprocating work infeed means

• US Classifications

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