Advanced Rugged Electronic Device Cases for Extreme Environments

Publication ID: 24-11857044_0004_PTD

Published: October 27, 2025

Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Rugged Electronic Device Cases for Extreme Environments,” Published Technical Disclosure No. 24-11857044_0004_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857044_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. 11,857,044.

Background and Problem Solved

The original portable electronic device case patent (original_patent) provided a general-purpose solution, but it lacked adaptations for specialized environments. This invention addresses the limitations of the original patent by introducing novel features and designs that cater to unique operational requirements.

Novelty and Inventive Step

The new claims introduce novel features and designs that are non-obvious compared to the original patent. The tamper-evident side wall, waterproof and shock-resistant design, breathable membrane, pressure-resistant side wall, and heat-resistant design are all innovative solutions that address specific challenges in their respective environments.

Alternative Embodiments and Variations

Alternative embodiments may include variations in materials, shapes, and sizes to accommodate different electronic devices or environmental conditions. Additional features, such as built-in sensors or communication systems, could be integrated to enhance the cases' functionality.

Potential Commercial Applications and Market

These specialized cases have significant commercial potential in various industries, including government, defense, emergency response, outdoor recreation, and industrial manufacturing. The market demand for tailored solutions in these niches is substantial, and this invention is poised to capitalize on that demand.

Section 103 Obviousness Analysis (PHOSITA)

▼

Field of Art

Portable electronic device protective cases, with expertise in materials engineering, structural design, and environmental protection technologies for electronic device enclosures

Person of Ordinary Skill (PHOSITA) Profile

A design engineer with 3-5 years experience in protective case design, familiar with materials science, manufacturing techniques, and environmental adaptation strategies for electronic device protection

Obviousness Rationale

A person of ordinary skill would recognize that the source patent's fundamental case design provides a flexible structural framework that can be readily adapted to specialized environmental and security requirements. The PTD's variations represent predictable extensions of known protective case design principles, utilizing standard engineering modifications to address specific use case challenges. These modifications involve well-understood material science and protective design techniques that would be apparent to a skilled practitioner seeking to optimize device protection.

Obvious Combinations & Variations

Source Patent Element

Modular case assembly with perpendicular side walls

PTD Variation

Tamper-evident side wall with color-changing security strip

Obviousness Reasoning

Adding visual security indicators is a known technique in high-security applications, representing a predictable design modification to enhance case functionality

Source Patent Element

Structural case design with multiple side walls

PTD Variation

Pressure-resistant side wall with reinforced material for high-altitude environments

Obviousness Reasoning

Material reinforcement to address specific environmental conditions is a standard engineering approach for extending protective device enclosures

Source Patent Element

Protective case with configurable side wall assemblies

PTD Variation

Waterproof and shock-resistant design for disaster relief scenarios

Obviousness Reasoning

Enhancing material properties to improve environmental resistance represents a predictable solution using known protective material technologies

Source Patent Element

Modular case construction with perpendicular structural elements

PTD Variation

Breathable membrane integrated into weather-resistant side wall

Obviousness Reasoning

Incorporating moisture management technologies is a standard design approach for improving protective case performance in variable environments

Source Patent Element

Configurable case assembly with multiple side wall configurations

PTD Variation

Heat-resistant design maintaining safe operating temperatures

Obviousness Reasoning

Thermal management through material selection and structural design is a routine engineering solution for protecting electronic devices

35 U.S.C. § 103 Summary: Based on US Patent 11857044's fundamental case design, the present publication demonstrates that a person of ordinary skill in the art would find the disclosed variations obvious through standard engineering modifications. The combination of known protective case techniques with specific environmental adaptation strategies represents a predictable extension of existing protective device enclosure technologies, thereby rendering potential derivative claims obvious and non-patentable.

Original Patent Information

Patent Number	US 11,857,044
Title	Portable electronic device case
Assignee(s)	Pioneer Square Brands, Inc.