942441

Information

• Patent Grant
• 942441

• References
• Source

• Patent Number

  942,441

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1909
  115 years ago

• CPC

  • G10K1/068 - hydraulically operated pneumatically operated

• US Classifications

  • 116 - Signals and indicators
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 173 - Tool driving or impacting
  • 418 - Rotary expansible chamber devices