3859936

Information

• Patent Grant
• 3859936

• References
• Source

• Patent Number

  3,859,936

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1975
  50 years ago

• CPC

  • D05B37/02 - Slitting or grooving devices
  • D05B39/00 - Workpiece carriers
  • D05D2207/02 - Pneumatic or hydraulic devices
  • D05D2209/04 - with high friction
  • D10B2501/062 - Buttonholes

• US Classifications

  • 112 - Sewing
  • 092 - Expansible chamber devices