2650411

Information

• Patent Grant
• 2650411

• References
• Source

• Patent Number

  2,650,411

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1953
  71 years ago

• CPC

  • E01C11/224 - Surface drainage of streets
  • B28B7/168 - for holders or similar hollow articles

• US Classifications

  • 249 - Static molds