1819988

Information

• Patent Grant
• 1819988

• References
• Source

• Patent Number

  1,819,988

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1931
  93 years ago

• CPC

  • F28F5/02 - Rotary drums or rollers
  • B29B7/625 - provided with cooling or heating means
  • B29B7/82 - Heating or cooling
  • Y10T464/10 - having heating or cooling means

• US Classifications

  • 165 - Heat exchange
  • 072 - Metal deforming
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts