1889916

Information

• Patent Grant
• 1889916

• References
• Source

• Patent Number

  1,889,916

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1932
  92 years ago

• CPC

  • B23P15/002 - poppet valves
  • Y10S29/035 - Shrink fitting with other step
  • Y10T29/49309 - including forging
  • Y10T29/49313 - including casting
  • Y10T29/4981 - Utilizing transitory attached element or associated separate material

• US Classifications

  • 029 - Metal working
  • 123 - Internal-combustion engines