3217939

Information

• Patent Grant
• 3217939

• References
• Source

• Patent Number

  3,217,939

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  59 years ago

• CPC

  • A47K5/13 - of invertible type

• US Classifications

  • 222 - Dispensing
  • 248 - Supports