738915

Information

• Patent Grant
• 738915

• References
• Source

• Patent Number

  738,915

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1903
  121 years ago

• CPC

  • F28F19/008 - by using scrapers
  • Y10S165/089 - for scraping flat horizontal surface

• US Classifications

  • 165 - Heat exchange