3521920

Information

• Patent Grant
• 3521920

• References
• Source

• Patent Number

  3,521,920

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • E05B65/0057 - for caskets, coffins or burial vaults
  • E04H13/00 - Monuments Tombs Burial vaults Columbaria
  • Y10T292/0843 - Gear

• US Classifications

  • 292 - Closure fasteners
  • 027 - Undertaking