56700

Information

• Patent Grant
• 56700

• References
• Source

• Patent Number

  56,700

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1866
  158 years ago

• CPC

  • B41F3/58 - Driving, synchronising, or control gear
  • F16F1/041 - with means for modifying the spring characteristics
  • Y10T409/505248 - and means to vary rate of infeed

• US Classifications

  • 267 - Spring devices
  • 409 - Gear cutting, milling, or planing