Public recordFiled · United States Patent and Trademark Office

US Patent
12,453,391 B1

A granted United States utility patent covering a topless footwear architecture — engineered without traditional front foot coverings or toe attachments.

Patent no.
US 12,453,391 B1
Title
Topless Shoes
Inventor
Timothy Flanagan
Assignee
Comfy Toes LLC
Filed
2023
Granted
October 28, 2025
Jurisdiction
United States (USPTO)
Status
Granted · in force
Section 01 · Drawings

Figures 1–3.

Selected figures from the granted patent, illustrating the perspective, side view on foot, and top-down geometry.

US Patent 12,453,391 B1
Fig. 1 · Perspective view
Fig. 1 · Perspective view
Fig. 2 · Side view on foot
Fig. 2 · Side view on foot
Fig. 3 · Top-down view
Fig. 3 · Top-down view
Section 02 · Claim highlights
  1. 01
    "A footwear article defined by an open front architecture in which no strap, thong, or covering extends across the toes or the front region of the foot."
  2. 02
    "An adjustable side strap and buckle assembly anchored to opposing edges of a sole platform, cooperating with a rear ankle element to retain the foot on the platform."
  3. 03
    "An instep closure providing tunable fit across a range of foot geometries while preserving the open front foot area."

The above are informal paraphrases for marketing use. Full formal claims available in the granted patent document upon request.

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Full patent PDF, claim summaries, and prosecution history are shared with qualified licensing partners under confidentiality review.

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