1692380

Information

• Patent Grant
• 1692380

• References
• Source

• Patent Number

  1,692,380

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1928
  96 years ago

• CPC

  • B21G1/12 - Securing, cleaning-off burrs, reconditioning polishing, grinding
  • Y10T409/30532 - with means to advance work or product

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 163 - Needle and pin making
  • 470 - Threaded, headed fastener, or washer making: process and apparatus