3870086

Information

• Patent Grant
• 3870086

• References
• Source

• Patent Number

  3,870,086

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  50 years ago

• CPC

  • G03B21/58 - collapsible
  • E06B9/48 - by clasps or buttons

• US Classifications

  • 138 - Pipes and tubular conduits
  • 160 - Flexible or portable closure, partition, or panel