1920275

Information

• Patent Grant
• 1920275

• References
• Source

• Patent Number

  1,920,275

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • B21C37/105 - Supply, or operations combined with supply, of strip material
  • B21C37/15 - Making tubes of special shape Making tube fittings
  • B21D53/00 - Making other particular articles

• US Classifications

  • 072 - Metal deforming