3845515

Information

• Patent Grant
• 3845515

• References
• Source

• Patent Number

  3,845,515

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1974
  50 years ago

• CPC

  • F16L1/0246 - at a certain height off the ground
  • F16L1/026 - in or on a frozen surface
  • F16L1/06 - Accessories therefor

• US Classifications

  • 014 - Bridges