3811138

Information

• Patent Grant
• 3811138

• References
• Source

• Patent Number

  3,811,138

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • A47C17/17 - with coupled movement of back-rest and seat
  • A47C19/205 - convertible
  • B61D31/00 - Sleeping accomodation

• US Classifications

  • 005 - Beds