3903661

Information

• Patent Grant
• 3903661

• References
• Source

• Patent Number

  3,903,661

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • E04D13/0358 - the parts moving, in their own plane

• US Classifications

  • 052 - Static structures
  • 049 - Movable or removable closures