2808033

Information

• Patent Grant
• 2808033

• References
• Source

• Patent Number

  2,808,033

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1957
  67 years ago

• CPC

  • F15B15/068 - the motor being of the helical type
  • B25B21/00 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
  • Y10T74/1527 - Screw and nut devices
  • Y10T74/1531 - Multiple acting
  • Y10T74/1585 - Multiple acting

• US Classifications

  • 091 - Motors: expansible chamber type
  • 074 - Machine element or mechanism
  • 092 - Expansible chamber devices