3889345

Information

• Patent Grant
• 3889345

• References
• Source

• Patent Number

  3,889,345

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • B21D47/005 - Making gratings
  • B21F27/10 - with soldered or welded crossings
  • Y10T29/4962 - Grille making
  • Y10T29/49789 - Obtaining plural product pieces from unitary workpiece
  • Y10T29/5198 - Continuous strip
  • Y10T83/658 - With projections on work-carrier [e.g., pin wheel]
  • Y10T83/6588 - Tools mounted on common tool support

• US Classifications

  • 029 - Metal working
  • 083 - Cutting
  • 226 - Advancing material of indeterminate length
  • 228 - Metal fusion bonding
  • 242 - Winding, tensioning, or guiding