1780725

Information

• Patent Grant
• 1780725

• References
• Source

• Patent Number

  1,780,725

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1930
  94 years ago

• CPC

  • B25D9/20 - involving a tubular-type slide valve
  • B25D2209/007 - having a tubular-slide valve, which is not coaxial with the piston

• US Classifications

  • 091 - Motors: expansible chamber type
  • 076 - Metal tools and implements, making