3893818

Information

• Patent Grant
• 3893818

• References
• Source

• Patent Number

  3,893,818

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • B21H1/04 - with rim
  • B21K1/42 - pulleys
  • F16D13/644 - Hub construction
  • F16H55/44 - Sheet-metal pulleys
  • Y10T29/49458 - Disc splitting to form pulley rim groove

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming