{
  "patent_number": "US 1964911",
  "country": "US",
  "title": "How the modern internal menstrual tampon was invented",
  "original_title": "Catamenial device",
  "summary": "Earle Haas's 1933 patent describes the first modern internal menstrual tampon, designed to be inserted into the vagina using a cardboard applicator.",
  "what_it_does": "The patent describes a catamenial device, which is a medical term for a menstrual product. It consists of a compressed cylinder of absorbent material, such as cotton, designed to be inserted into the vaginal canal to absorb menstrual flow. The invention includes a tubular applicator that allows the user to insert the absorbent core hygienically without direct contact, which was a significant shift from external pads of the era.",
  "what_it_does_not_cover": [
    "Does not cover external sanitary napkins or pads",
    "Does not cover non-absorbent menstrual cups or discs",
    "Does not cover chemical or pharmaceutical treatments for menstruation",
    "Does not cover digital tampons that are inserted manually without an applicator"
  ],
  "filed": "1933-05-22",
  "granted": "1934-07-03",
  "expires": "1953-05-22",
  "status": "expired",
  "holder": "Individual",
  "holder_url": "https://patentbrief.org/company/individual",
  "inventors": [
    {
      "name": "Earle C Haas",
      "url": "https://patentbrief.org/inventor/earle-c-haas"
    }
  ],
  "times_cited": 36,
  "tags": [
    "consumer_electronics",
    "biotech"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/1964911/tampon-applicator-haas",
  "markdown_url": "https://patentbrief.org/patent/us/1964911/tampon-applicator-haas/md",
  "google_patents_url": "https://patents.google.com/patent/US1964911",
  "relatedPatents": [
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      "countryCode": "US",
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    },
    {
      "patentNumber": "1612267",
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    },
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    },
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  ]
}