2939738

Information

• Patent Grant
• 2939738

• References
• Source

• Patent Number

  2,939,738

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1960
  65 years ago

• CPC

  • B63B19/14 - Hatch covers
  • E05Y2900/514 - for ships
  • E05Y2900/612 - for manhole covers
  • Y10T16/82 - Counterbalance device, per se
  • Y10T292/299 - Slotted keeper

• US Classifications

  • 292 - Closure fasteners
  • 016 - Miscellaneous hardware
  • 217 - Wooden receptacles