Advanced Knitted Footwear: Extreme Environment Protection

Publication ID: 24-11857022_0004_PTD
Published: October 27, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Knitted Footwear: Extreme Environment Protection,” Published Technical Disclosure No. 24-11857022_0004_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857022_0004_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,022.

Background and Problem Solved

Conventional articles of footwear often fail to provide adequate support, stability, and protection in extreme environments. The original patent disclosed an article of footwear incorporating a knitted component with an integrally knit contoured portion. However, the original design may not be suitable for specialized applications requiring enhanced durability, thermal insulation, water resistance, or breathability. The present invention addresses these limitations by introducing specialized variations and niche solutions.

Novelty and Inventive Step

The new claims introduce novel and non-obvious variations of the original patent, specifically designed for extreme environments. The inventive step lies in the adaptation of the knitted component with tensile strands to address the unique challenges of high-security needs, disaster relief, extreme weather conditions, and unique operational environments.

Alternative Embodiments and Variations

Alternative embodiments may include the use of different materials, such as Kevlar or Dyneema, for enhanced durability. Variations may also include the integration of additional features, such as GPS tracking or communication devices, for enhanced functionality in extreme environments.

Potential Commercial Applications and Market

The invention has significant commercial potential in industries such as disaster relief, high-security operations, outdoor recreation, and specialized footwear manufacturing. The target market includes organizations and individuals requiring specialized footwear solutions for extreme environments.

CPC Classifications

SectionClassGroup
A A43 A43B1/04
A A43 A43B1/0063
A A43 A43B23/021
A A43 A43B23/025
A A43 A43B23/0215
A A43 A43B23/0235
A A43 A43B23/0245
A A43 A43B23/0265
A A43 A43B23/0275
A A43 A43B23/042
A A43 A43C1/04
D D04 D04B1/123
D D10 D10B2403/0213
D D10 D10B2403/02411
D D10 D10B2403/032
D D10 D10B2501/043

Field of Art

Footwear design and manufacturing, specifically focusing on knitted upper components with integrated structural and functional features, encompassing materials science, textile engineering, and athletic/specialized footwear technologies

Person of Ordinary Skill (PHOSITA) Profile

A professional with expertise in textile engineering, materials science, and footwear design, possessing knowledge of advanced knitting techniques, material properties, and functional performance requirements for specialized footwear applications

Obviousness Rationale

A person having ordinary skill would recognize that the source patent's knitted footwear component provides a fundamental framework that can be readily adapted to specific environmental and functional requirements through predictable material and structural modifications. The PTD's variations represent logical extensions of the existing knitted component technology, applying known material science principles to address specific use cases. These adaptations would be considered routine design optimization within the technical capabilities of a skilled practitioner in footwear engineering.

Obvious Combinations & Variations

Source Patent Element
Unitary knit construction with base portion and side portions using tensile strands
PTD Variation
Integrating high-performance materials like Kevlar or Dyneema for enhanced durability in extreme environments
Obviousness Reasoning
Substituting known high-strength materials is a predictable design choice for improving structural performance, representing a simple application of known material science principles
Source Patent Element
Knitted component with overlapping layers connected by spacer strands
PTD Variation
Adding thermal insulation or water-resistant treatments to the knit layers for specialized environmental protection
Obviousness Reasoning
Modifying material properties through surface treatments or integrated layers is a standard technique for enhancing functional performance in textile engineering
Source Patent Element
Knitted upper with configurable interior and exterior surfaces
PTD Variation
Incorporating electronic tracking or communication devices into the knitted component's structure
Obviousness Reasoning
Integrating electronic components into textile structures is a known technique in advanced textile engineering, representing a predictable technological extension
Source Patent Element
Base portion coextensive with sole structure using first knit layer
PTD Variation
Developing specialized knit layers for high-altitude or extreme terrain performance with enhanced breathability
Obviousness Reasoning
Optimizing material properties for specific environmental conditions is a routine design consideration for skilled practitioners in footwear engineering
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857022, a person having ordinary skill in the art would find the variations disclosed in this publication to represent obvious extensions of the existing knitted footwear technology. The modifications represent predictable applications of known material science and textile engineering principles, demonstrating that the claimed variations would be apparent to a skilled practitioner without requiring inventive insight beyond the existing technological framework.

Original Patent Information

Patent NumberUS 11,857,022
TitleArticle of footwear incorporating a knitted component with tensile strand
Assignee(s)NIKE, Inc.