{
  "patent_number": "US 2012680",
  "country": "US",
  "title": "How the First Modern Kitchen Garbage Disposal Was Invented",
  "original_title": "Garbage disposal device",
  "summary": "John W. Hammes' 1933 invention of a motorized grinding device that mounts under a kitchen sink to pulverize food waste into small particles for disposal through plumbing.",
  "what_it_does": "The device consists of a grinding chamber mounted directly beneath a sink drain. It uses a motor to spin a shredding mechanism that forces food scraps against stationary teeth or a grinding ring. This action breaks down solid food waste into a slurry fine enough to pass through standard residential plumbing pipes without causing clogs. The system is designed to be activated by a switch, allowing users to clear food waste immediately after meal preparation.",
  "what_it_does_not_cover": [
    "Does not cover non-motorized manual grinding devices.",
    "Does not cover industrial-scale waste management systems or sewage treatment plants.",
    "Does not cover composting systems or devices that do not discharge waste into the sewer line.",
    "Does not cover chemical-based waste breakdown methods."
  ],
  "filed": "1933-05-22",
  "granted": "1935-08-27",
  "expires": "1953-05-22",
  "status": "expired",
  "holder": "Individual",
  "holder_url": "https://patentbrief.org/company/individual",
  "inventors": [
    {
      "name": "John W Hammes",
      "url": "https://patentbrief.org/inventor/john-w-hammes"
    }
  ],
  "times_cited": 43,
  "tags": [
    "mechanical",
    "consumer_electronics"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/2012680/garbage-disposal-hammes",
  "markdown_url": "https://patentbrief.org/patent/us/2012680/garbage-disposal-hammes/md",
  "google_patents_url": "https://patents.google.com/patent/US2012680",
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}