{
  "patent_number": "US 3023824",
  "country": "US",
  "title": "How Joseph-Armand Bombardier Designed the Modern Snowmobile",
  "original_title": "Endless track vehicle",
  "summary": "A 1962 patent by Joseph-Armand Bombardier describing a lightweight, engine-driven vehicle using an endless track system for travel over snow.",
  "what_it_does": "The patent details a vehicle frame supported by a flexible, endless track that distributes weight to prevent sinking into deep snow. It utilizes a front-mounted engine connected to a drive sprocket that engages the track, allowing the vehicle to propel itself across uneven, soft surfaces. The design focuses on the balance between the center of gravity and the track contact area to ensure maneuverability in winter conditions.",
  "what_it_does_not_cover": [
    "Does not cover vehicles using wheels instead of continuous tracks for propulsion.",
    "Does not cover electric-powered drivetrains, as the patent specifies internal combustion engine configurations.",
    "Does not cover autonomous or remote-controlled navigation systems.",
    "Does not cover the specific steering mechanism of modern dual-ski snowmobiles."
  ],
  "filed": "1960-06-20",
  "granted": "1962-03-06",
  "expires": "1980-06-20",
  "status": "expired",
  "holder": "Individual",
  "holder_url": "https://patentbrief.org/company/individual",
  "inventors": [
    {
      "name": "Bombardier Joseph Armand",
      "url": "https://patentbrief.org/inventor/bombardier-joseph-armand"
    }
  ],
  "times_cited": 30,
  "tags": [
    "automotive",
    "mechanical"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/3023824/snowmobile-bombardier",
  "markdown_url": "https://patentbrief.org/patent/us/3023824/snowmobile-bombardier/md",
  "google_patents_url": "https://patents.google.com/patent/US3023824",
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}