2019638

Information

• Patent Grant
• 2019638

• References
• Source

• Patent Number

  2,019,638

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • G04F8/003 - using continuously running driving means

• US Classifications

  • 192 - Clutches and power-stop control
  • 968 - Horology