3503811

Information

• Patent Grant
• 3503811

• References
• Source

• Patent Number

  3,503,811

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  54 years ago

• CPC

  • H01M2/1288 - Film- or sheet-like elastic valve members optionally coated with non-drying glue
  • H01M2/1229 - comprising a deformable, elastic or flexible valve member

• US Classifications

  • 429 - Chemistry: electrical current producing apparatus, product, and process