3771986

Information

• Patent Grant
• 3771986

• References
• Source

• Patent Number

  3,771,986

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • C03B5/262 - Drains
  • C03B5/28 - Siphons

• US Classifications

  • 065 - Glass manufacturing