7

Information

• Patent Grant
• 7

• References
• Source

• Patent Number

  7

• Date Filed

  Not available

• Date Issued

  Wednesday, August 10, 1836
  188 years ago

• CPC

  • E02B7/42 - Gates of segmental or sector-like shape with horizontal axis
  • Y10S2/903 - Fiberglass
  • Y10S209/933 - Accumulation receiving separated items
  • Y10T408/488 - Driven by lever or connecting link

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 144 - Woodworking
  • 408 - Cutting by use of rotating axially moving tool