3628191

Information

• Patent Grant
• 3628191

• References
• Source

• Patent Number

  3,628,191

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • A63B71/10 - for the head
  • A42B1/068 - with additional protection for the ears; Removable ear muffs

• US Classifications

  • 002 - Apparel
  • D29 - Equipment for safety, protection, and rescue