1977981

Information

• Patent Grant
• 1977981

• References
• Source

• Patent Number

  1,977,981

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1934
  89 years ago

• CPC

  • F16D55/31 - by means of an intermediate leverage

• US Classifications

  • 188 - Brakes
  • 301 - Land vehicles: wheels and axles