3459611

Information

• Patent Grant
• 3459611

• References
• Source

• Patent Number

  3,459,611

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

  • A47C27/053 - with only one layer of foamed material
  • A47C27/20 - with springs moulded in, or situated in cavities or openings in foamed material
  • B29C44/1266 - the preformed part being completely encapsulated
  • B29C44/5654 - Subdividing foamed articles to obtain particular surface properties
  • B68G11/06 - with embedded springs
  • Y10T29/49796 - Coacting pieces
  • Y10T156/1059 - Splitting sheet lamina in plane intermediate of faces
  • Y10T156/1075 - of plural laminae from single stock and assembling to each other or to additional lamina

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 005 - Beds
  • 029 - Metal working
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 482 - Exercise devices