3302221

Information

• Patent Grant
• 3302221

• References
• Source

• Patent Number

  3,302,221

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1967
  57 years ago

• CPC

  • A47C31/08 - Mattress hand-straps
  • Y10S16/28 - Mattress handle
  • Y10T16/513 - Loop-type handle
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part
  • Y10T29/49922 - by bending over projecting prongs
  • Y10T29/49943 - Riveting

• US Classifications

  • 005 - Beds
  • 016 - Miscellaneous hardware
  • 029 - Metal working
  • 229 - Envelopes, wrappers, and paperboard boxes