3921431

Information

• Patent Grant
• 3921431

• References
• Source

• Patent Number

  3,921,431

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • D02J1/225 - Mechanical characteristics of stretching apparatus
  • B65H51/04 - Rollers, pulleys, capstans, or intermeshing rotary elements
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 072 - Metal deforming