Advanced Knitted Footwear: Extreme Environment Protection
Legal Citation
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
| Section | Class | Group |
|---|---|---|
| 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 |
Section 103 Obviousness Analysis (PHOSITA)
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
Original Patent Information
| Patent Number | US 11,857,022 |
|---|---|
| Title | Article of footwear incorporating a knitted component with tensile strand |
| Assignee(s) | NIKE, Inc. |