1637337

Information

• Patent Grant
• 1637337

• References
• Source

• Patent Number

  1,637,337

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1927
  97 years ago

• CPC

  • G04D3/0064 - for cases
  • Y10T29/49584 - having case, cover, or back

• US Classifications

  • 029 - Metal working
  • 968 - Horology