1731202

Information

• Patent Grant
• 1731202

• References
• Source

• Patent Number

  1,731,202

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1929
  95 years ago

• CPC

  • F01L3/04 - Coated valve members or valve-seats
  • Y10S76/04 - Chromium

• US Classifications

  • 123 - Internal-combustion engines
  • 076 - Metal tools and implements, making