Enhanced Specialized Variations & Niche Solutions Technical Implementation

Publication ID: 24-11858158_0004_PTD

Published: October 29, 2025

Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Enhanced Specialized Variations & Niche Solutions Technical Implementation,” Published Technical Disclosure No. 24-11858158_0004_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858158_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. 11,858,158.

Summary of the Inventive Concept

An improved approach to specialized variations & niche solutions that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but specialized variations & niche solutions presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements specialized variations & niche solutions enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting specialized variations & niche solutions improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from specialized variations & niche solutions enhancements.

CPC Classifications

Section	Class	Group
B	B26	B26B21/60
B	B26	B26B21/4068
C	C23	C23C14/067
C	C23	C23C14/34

Section 103 Obviousness Analysis (PHOSITA)

▼

Field of Art

Precision cutting tool manufacturing, specifically razor blade engineering involving surface coating technologies, requiring expertise in materials science, surface engineering, and manufacturing processes for cutting implements

Person of Ordinary Skill (PHOSITA) Profile

A materials engineer or manufacturing specialist with advanced degree in materials science or engineering, possessing knowledge of nanocrystalline coating techniques, surface modification strategies, and precision manufacturing methods for cutting tools

Obviousness Rationale

A person skilled in the art would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's core technological framework, utilizing known surface modification and coating strategies that are inherently combinable within the razor blade manufacturing domain. The technical variations demonstrate incremental improvements that would be obvious to implement using standard engineering design choices and known surface treatment techniques. The PTD's approach builds upon established nanocrystalline coating methodologies disclosed in the original patent, applying standard engineering problem-solving approaches.

Obvious Combinations & Variations

Source Patent Element

Nanocrystalline coating layer with chromium and boron mixed amorphous regions

PTD Variation

Enhanced nanocrystalline coating with modified compositional ratios and gradient structural configurations

Obviousness Reasoning

Routine materials engineering optimization using known compositional adjustment techniques, representing predictable variation within established coating technology

Source Patent Element

Blade substrate with single layer coating

PTD Variation

Multiple implementation approaches for specialized variations targeting niche solution requirements

Obviousness Reasoning

Design choice representing standard engineering problem-solving, utilizing known coating application techniques with predictable performance outcomes

Source Patent Element

Nanocrystalline structures with 3-100 nm particle diameter

PTD Variation

Modified nanostructure configurations with adjusted particle size and distribution strategies

Obviousness Reasoning

Predictable materials science optimization using known nanoscale engineering principles, representing incremental technological improvement

Source Patent Element

Polymer coating applied over nanocrystalline layer

PTD Variation

Alternative polymer coating strategies with enhanced adhesion and performance characteristics

Obviousness Reasoning

Known technique for surface modification, representing standard engineering approach to improving coating performance

Source Patent Element

Razor blade edge manufacturing method

PTD Variation

Extended manufacturing process with specialized variations targeting specific technical requirements

Obviousness Reasoning

Routine process optimization using standard engineering design methodologies, representing predictable technological evolution

35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. § 103, the technical variations disclosed herein would have been obvious to a person having ordinary skill in the art at the time of invention, with reasonable expectation of success, based on the teachings of US Patent 11858158. The published technical disclosure demonstrates that the claimed subject matter represents an obvious combination of prior art elements, achievable through routine engineering design choices and predictable technological modifications within the razor blade manufacturing domain.

Original Patent Information

Patent Number	US 11,858,158
Title	Razor blade and manufacturing method thereof
Assignee(s)	DORCO CO., LTD.