2157216

Information

• Patent Grant
• 2157216

• References
• Source

• Patent Number

  2,157,216

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1939
  85 years ago

• CPC

  • A43D67/00 - Machines for fastening soles or heels by means of screws or screwed wire
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part

• US Classifications

  • 227 - Elongated-member-driving apparatus
  • 012 - Boot and shoe making
  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener