2909814

Information

• Patent Grant
• 2909814

• References
• Source

• Patent Number

  2,909,814

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1959
  65 years ago

• CPC

  • F16J3/047 - Metallic bellows
  • E06B3/645 - of units comprising two or more parallel panes to frames designed for single panes only
  • E06B3/66347 - with integral grooves or rabbets for holding the panes
  • E06B3/677 - Evacuating or filling the gap between the panes; Equilibration of inside and outside pressure Preventing condensation in the gap between the panes Cleaning the gap between the panes
  • E06B2003/6639 - sinuous

• US Classifications

  • 052 - Static structures
  • 126 - Stoves and furnaces
  • 428 - Stock material or miscellaneous articles