1682223

Information

• Patent Grant
• 1682223

• References
• Source

• Patent Number

  1,682,223

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1928
  96 years ago

• CPC

  • B29D22/006 - Hot water bottles
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • Y10S383/901 - Hot water or ice bag

• US Classifications

  • 219 - Electric heating
  • 383 - Flexible bags