1974100

Information

• Patent Grant
• 1974100

• References
• Source

• Patent Number

  1,974,100

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1934
  90 years ago

• CPC

  • F02B75/002 - Double acting engines
  • F02B2075/023 - one

• US Classifications

  • 123 - Internal-combustion engines
  • 037 - Excavating