Toys-Games · Iconic Everyday Products

Is the Slinky Patented?

Richard James filed US 2,415,012 in 1945 for the 'Toy and process of use.' The patent expired in 1964, which is why generic metal-coil toys are legal. POOF-Slinky, LLC still owns the Slinky® trademark.

Quick answer

Originally yes — patent now expired

Richard James filed US 2,415,012 in 1945 for the 'Toy and process of use.' The patent expired in 1964, which is why generic metal-coil toys are legal. POOF-Slinky, LLC still owns the Slinky® trademark.

Key patents on the Slinky

Every patent number below is a live USPTO record — click through to read the original claims on Google Patents.

  1. US 2,415,012 (1947)Toy comprising a helical coil spring. Status: expired / public domain.

What to know

  • The patent's 17-year term ended in 1964; anyone can manufacture the coil toy now.
  • Slinky® as a brand name is still protected via trademark.

Have your own invention idea?

If a product like Slinkycan get patent protection, your idea probably can too — assuming it’s novel. The cheapest first step is a provisional patent application, which locks in your priority date for 12 months while you validate the market. LegalZoom files provisionals from $199 + USPTO fees; you can also read the official USPTO patent basics first if you prefer.

Scan my idea for freeFile a provisional from $199

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