3677571

Information

• Patent Grant
• 3677571

• References
• Source

• Patent Number

  3,677,571

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  53 years ago

• CPC

  • B60B15/00 - Wheels or wheel attachments designed for increasing traction
  • B60B19/12 - Roller-type wheels
  • B62B1/12 - involving parts being adjustable, collapsible, attachable, detachable, or convertible
  • B60B2200/43 - Carts
  • B60B2310/302 - by welding
  • B60B2360/102 - Steel
  • B60B2380/18 - Plain or sleeve bearings
  • B60B2900/133 - Noise
  • B60B2900/531 - User-friendliness
  • B62B2202/52 - Beach or picnic trolleys
  • B62B2301/254 - by using roller-shaped wheels

• US Classifications

  • 280 - Land vehicles