144851

Information

• Patent Grant
• 144851

• References
• Source

• Patent Number

  144,851

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1873
  151 years ago

• CPC

  • B24B7/22 - for grinding inorganic material
  • Y10T409/506232 - Reciprocating cutter infeed means
  • Y10T409/509676 - with means to permit repositioning of cutting for idle return stroke

• US Classifications

  • 125 - Stone working
  • 409 - Gear cutting, milling, or planing