1643042

Information

• Patent Grant
• 1643042

• References
• Source

• Patent Number

  1,643,042

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1927
  97 years ago

• CPC

  • E06B3/5027 - "Austral" windows

• US Classifications

  • 049 - Movable or removable closures