1988738

Information

• Patent Grant
• 1988738

• References
• Source

• Patent Number

  1,988,738

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1935
  90 years ago

• CPC

  • B23P9/02 - Treating or finishing by applying pressure
  • B23P9/04 - Treating or finishing by hammering or applying repeated pressure
  • Y10T29/49277 - including casting or molding
  • Y10T29/49284 - including machining or angular cutting

• US Classifications

  • 029 - Metal working