{
  "patent_number": "US 3633",
  "country": "US",
  "title": "How Charles Goodyear Invented Modern Vulcanized Rubber",
  "original_title": "Charles guudyear",
  "summary": "Charles Goodyear's 1844 patent describes the process of heating raw rubber with sulfur to create a durable, weather-resistant material.",
  "what_it_does": "The patent outlines a chemical process known as vulcanization. By mixing raw, sticky natural rubber with sulfur and applying high heat, the material undergoes a chemical change that prevents it from melting in the sun or becoming brittle in the cold. This transformation creates a stable, elastic substance that maintains its shape and strength across a wide range of temperatures.",
  "what_it_does_not_cover": [
    "Does not cover the extraction or harvesting of raw natural rubber latex.",
    "Does not cover non-sulfur-based methods of rubber hardening or cross-linking.",
    "Does not cover the manufacturing of specific rubber products like tires or hoses."
  ],
  "filed": null,
  "granted": "1844-06-15",
  "expires": null,
  "status": "active",
  "holder": "Charles Goodyear",
  "holder_url": "https://patentbrief.org/company/charles-goodyear",
  "inventors": [],
  "times_cited": 6,
  "tags": [
    "materials",
    "mechanical",
    "automotive"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/3633/vulcanized-rubber-goodyear",
  "markdown_url": "https://patentbrief.org/patent/us/3633/vulcanized-rubber-goodyear/md",
  "google_patents_url": "https://patents.google.com/patent/US3633",
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}