1977924

Information

• Patent Grant
• 1977924

• References
• Source

• Patent Number

  1,977,924

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1934
  90 years ago

• CPC

  • F01B17/04 - Steam engines
  • F01B2170/0435 - Compound machines with double or plural expansion Auxiliaries driven by main engine
  • Y10T74/2111 - Plural, movable relative to each other [including ball[s]]

• US Classifications

  • 074 - Machine element or mechanism