1520842

Information

• Patent Grant
• 1520842

• References
• Source

• Patent Number

  1,520,842

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  100 years ago

• CPC

  • B66F3/28 - telescopic
  • B66F3/32 - with means for avoiding excessive shocks on completion of movements
  • B66F3/42 - with self-contained pumps

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 100 - Presses
  • 267 - Spring devices