1488271

Information

• Patent Grant
• 1488271

• References
• Source

• Patent Number

  1,488,271

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1924
  100 years ago

• CPC

  • B23P15/48 - threading tools

• US Classifications

  • 076 - Metal tools and implements, making
  • 470 - Threaded, headed fastener, or washer making: process and apparatus