3706218

Information

• Patent Grant
• 3706218

• References
• Source

• Patent Number

  3,706,218

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1972
  53 years ago

• CPC

  • B21D47/00 - Making rigid structural elements or units
  • B21D13/02 - by pressing
  • B21D53/883 - reflectors
  • F21V7/10 - Construction
  • F21V7/22 - characterised by the material characterised by surface treatments or coatings

• US Classifications

  • 072 - Metal deforming