1004947

Information

• Patent Grant
• 1004947

• References
• Source

• Patent Number

  1,004,947

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1911
  113 years ago

• CPC

  • G01K1/26 - Compensating for effects of pressure changes

• US Classifications

  • 374 - Thermal measuring and testing
  • 396 - Photography
  • 430 - Radiation imagery chemistry: process, composition, or product thereof