{
  "patent_number": "US 743801",
  "country": "US",
  "title": "How Mary Anderson Invented the Windshield Wiper",
  "original_title": "Window-cleaning device.",
  "summary": "A 1903 invention by Mary Anderson that allowed drivers to manually clear rain and snow from their windshields using a lever inside the vehicle.",
  "what_it_does": "The device consists of a swinging arm with a rubber blade attached to a lever inside the car. When the driver moves the lever, the arm pivots across the glass to clear away moisture or debris. It was designed to improve visibility during bad weather without requiring the driver to stop the car and exit to clean the windshield manually.",
  "what_it_does_not_cover": [
    "Does not cover automatic or motorized wiper systems.",
    "Does not cover sensors that detect rain to trigger wiping.",
    "Does not cover intermittent or variable speed control mechanisms."
  ],
  "filed": "1903-06-18",
  "granted": "1903-11-10",
  "expires": "1923-06-18",
  "status": "expired",
  "holder": "Individual",
  "holder_url": "https://patentbrief.org/company/individual",
  "inventors": [
    {
      "name": "Mary Anderson",
      "url": "https://patentbrief.org/inventor/mary-anderson"
    }
  ],
  "times_cited": 5,
  "tags": [
    "automotive",
    "mechanical"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/743801/windshield-wiper-anderson",
  "markdown_url": "https://patentbrief.org/patent/us/743801/windshield-wiper-anderson/md",
  "google_patents_url": "https://patents.google.com/patent/US743801",
  "relatedPatents": [
    {
      "patentNumber": "3351836",
      "countryCode": "US",
      "title": "How Intermittent Windshield Wipers Work",
      "url": "https://patentbrief.org/patent/us/3351836/intermittent-windshield-wiper-kearns"
    },
    {
      "patentNumber": "1141798",
      "countryCode": "US",
      "title": "Early Car Wheel Traction Device",
      "url": "https://patentbrief.org/patent/us/1141798/zipper-slide-fastener"
    },
    {
      "patentNumber": "889823",
      "countryCode": "US",
      "title": "How James Spangler Invented the First Portable Electric Vacuum Cleaner",
      "url": "https://patentbrief.org/patent/us/889823/vacuum-cleaner-spangler"
    },
    {
      "patentNumber": "355139",
      "countryCode": "US",
      "title": "Josephine Cochrane's Mechanical Dishwashing Machine",
      "url": "https://patentbrief.org/patent/us/355139/dishwasher-cochrane"
    },
    {
      "patentNumber": "387571",
      "countryCode": "US",
      "title": "How the Revolving Door Was Invented",
      "url": "https://patentbrief.org/patent/us/387571/revolving-door-van-kannel"
    }
  ]
}