1251907

Information

• Patent Grant
• 1251907

• References
• Source

• Patent Number

  1,251,907

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1918
  106 years ago

• CPC

  • G11B3/48 - Needles contains no documents
  • Y10T29/49577 - Phonograph component making
  • Y10T29/49915 - Overedge assembling of seated part

• US Classifications

  • 029 - Metal working
  • 076 - Metal tools and implements, making