3676880

Information

• Patent Grant
• 3676880

• References
• Source

• Patent Number

  3,676,880

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • E04H4/105 - supported by air pressure under the cover
  • E04H4/0025 - with inflatable parts

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons
  • 052 - Static structures