{
  "patent_number": "US 139121",
  "country": "US",
  "title": "How Levi Strauss Invented the Copper-Riveted Jean Pocket",
  "original_title": "Improvement in fastening pocket-openings",
  "summary": "This 1873 patent describes the use of metal rivets to reinforce the corners of pockets on work pants, preventing them from ripping under heavy use.",
  "what_it_does": "The patent describes a method for fastening pocket openings on clothing using metal rivets. By placing a copper rivet at the stress points where a pocket meets the waistband or side seam, the design prevents the fabric from tearing when the wearer carries heavy tools or items. This simple mechanical reinforcement transformed standard denim trousers into durable workwear.",
  "what_it_does_not_cover": [
    "Does not cover the use of thread or stitching for pocket reinforcement.",
    "Does not cover non-metal fastening methods like buttons or snaps.",
    "Does not cover the specific chemical composition of the denim fabric itself."
  ],
  "filed": null,
  "granted": "1873-05-20",
  "expires": null,
  "status": "active",
  "holder": "Levi Strauss & Co.",
  "holder_url": "https://patentbrief.org/company/levi-strauss-co",
  "inventors": [],
  "times_cited": 2,
  "tags": [
    "mechanical",
    "consumer_electronics"
  ],
  "abstract": null,
  "url": "https://patentbrief.org/patent/us/139121/blue-jeans-riveted-levi-strauss",
  "markdown_url": "https://patentbrief.org/patent/us/139121/blue-jeans-riveted-levi-strauss/md",
  "google_patents_url": "https://patents.google.com/patent/US139121",
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}