1542231

Information

• Patent Grant
• 1542231

• References
• Source

• Patent Number

  1,542,231

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1925
  99 years ago

• CPC

  • B60B33/08 - Ball castors
  • A45C5/14 - with built-in rolling means
  • A45C2005/142 - with spherical rolling means
  • Y10T16/188 - Ball
  • Y10T16/19 - Bracket supports
  • Y10T16/212 - Spring supported

• US Classifications

  • 016 - Miscellaneous hardware
  • 190 - Trunks and hand-carried luggage