3880601

Information

• Patent Grant
• 3880601

• References
• Source

• Patent Number

  3,880,601

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  50 years ago

• CPC

  • B21B1/088 - H- or I-sections
  • Y10T428/12285 - Single taper [e.g., ingot, etc.]
  • Y10T428/12389 - having variation in thickness

• US Classifications

  • 428 - Stock material or miscellaneous articles