{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Variable thickness mat for stress transition zones of railroad track crossings, switches, and the like, and method of use", "item": "https://www.patentleaderboard.com/patent/4265398"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Variable thickness mat for stress transition zones of railroad track crossings, switches, and the like, and method of use

US Patent 4265398 · Granted May 5, 1981

Estimated economic value: $1,311,000

Assignee

Inventors

View full patent text on Google Patents →