1920934

Information

• Patent Grant
• 1920934

• References
• Source

• Patent Number

  1,920,934

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • C22C38/12 - containing tungsten, tantalum, molybdenum, vanadium, or niobium
  • Y10S76/04 - Chromium

• US Classifications

  • 420 - Alloys or metallic compositions
  • 076 - Metal tools and implements, making