1513995

Information

• Patent Grant
• 1513995

• References
• Source

• Patent Number

  1,513,995

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1924
  100 years ago

• CPC

  • C14C3/12 - using purified or modified vegetable tanning agents
  • H02P5/49 - by intermittently closing or opening electrical contacts

• US Classifications

  • 008 - Bleaching and dyeing