{
  "patent_number": "US 1480914",
  "country": "US",
  "title": "How the Modern Kitchen Blender Works",
  "original_title": "Beverage mixer",
  "summary": "Stephen Poplawski's 1922 invention of the electric beverage mixer, which introduced the rotating blade at the base of a container to liquefy ingredients.",
  "what_it_does": "The device uses an electric motor housed in a base to drive a rotating agitator, or blade, located at the bottom of a removable container. By placing the agitator at the base rather than suspending it from above, the mixer creates a vortex that pulls ingredients down into the blades. This design allows for the efficient emulsification and blending of liquids and soft solids, fundamentally changing how drinks and food are prepared in the kitchen.",
  "what_it_does_not_cover": [
    "Does not cover hand-cranked or manual mixing mechanisms.",
    "Does not cover food processors that use S-shaped blades for chopping rather than mixing.",
    "Does not cover immersion or stick blenders that are inserted into a separate container."
  ],
  "filed": "1922-02-18",
  "granted": "1924-01-15",
  "expires": "1942-02-17",
  "status": "expired",
  "holder": "ARNOLD ELECTRIC Co",
  "holder_url": "https://patentbrief.org/company/arnold-electric-co",
  "inventors": [
    {
      "name": "Stephen J Poplawski",
      "url": "https://patentbrief.org/inventor/stephen-j-poplawski"
    }
  ],
  "times_cited": 33,
  "tags": [
    "mechanical",
    "consumer_electronics"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/1480914/blender-beverage-mixer-poplawski",
  "markdown_url": "https://patentbrief.org/patent/us/1480914/blender-beverage-mixer-poplawski/md",
  "google_patents_url": "https://patents.google.com/patent/US1480914",
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    },
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      "patentNumber": "2012680",
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}