1493340

Information

• Patent Grant
• 1493340

• References
• Source

• Patent Number

  1,493,340

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1924
  100 years ago

• CPC

  • G10K1/068 - hydraulically operated pneumatically operated
  • Y10S116/18 - Wave generators

• US Classifications

  • 322 - Electricity: single generator systems
  • 091 - Motors: expansible chamber type
  • 116 - Signals and indicators
  • 290 - Prime-mover dynamo plants
  • 367 - Communications, electrical: acoustic wave systems and devices