2452557

Information

• Patent Grant
• 2452557

• References
• Source

• Patent Number

  2,452,557

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1948
  76 years ago

• CPC

  • F16L58/1018 - the protective layer being fixed by means of anchoring devices

• US Classifications

  • 138 - Pipes and tubular conduits
  • 427 - Coating processes
  • 473 - Games using tangible projectile