2242991

Information

• Patent Grant
• 2242991

• References
• Source

• Patent Number

  2,242,991

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1941
  83 years ago

• CPC

  • F16K51/00 - Other details not peculiar to particular types of valves or cut-off apparatus
  • Y10S470/905 - Wire coil insert
  • Y10T82/26 - Work driver
  • Y10T409/306384 - with work supported guide means

• US Classifications

  • 451 - Abrading
  • 082 - Turning
  • 409 - Gear cutting, milling, or planing
  • 470 - Threaded, headed fastener, or washer making: process and apparatus