2521780

Information

• Patent Grant
• 2521780

• References
• Source

• Patent Number

  2,521,780

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1950
  74 years ago

• CPC

  • A47G9/1036 - with cooling or heating means
  • A61F7/08 - Warming pads, pans or mats Hot-water bottles
  • A47G2009/003 - with inflatable members
  • A47G2009/008 - using a liquid as filling material
  • A61F2007/0012 - with means for support of the head

• US Classifications

  • 005 - Beds
  • 004 - Baths, closets, sinks, and spittoons