Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858158_0007_PTD

Published: October 29, 2025

Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Enhanced New Applications & Use Cases Technical Implementation,” Published Technical Disclosure No. 24-11858158_0007_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858158_0007_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 new applications & use cases that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but new applications & use cases presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements new applications & use cases 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 new applications & use cases 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 new applications & use cases 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 with advanced coating technologies, involving materials science, surface engineering, and manufacturing processes for cutting implements

Person of Ordinary Skill (PHOSITA) Profile

A materials engineer or manufacturing specialist with expertise in thin film deposition, nanostructured coatings, metallurgy, and precision machining techniques, typically holding a masters degree or equivalent industrial experience in materials engineering or manufacturing

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's core technological framework, leveraging known techniques in surface engineering and coating technologies to enhance razor blade performance across different application contexts. The systematic approach of modifying nanocrystalline coating structures to target specific use cases represents an expected progression of the original patent's innovations. The technical modifications demonstrate incremental improvements that would be readily conceived by someone skilled in the art of precision cutting tool manufacturing.

Obvious Combinations & Variations

Source Patent Element

Nanocrystalline coating layer with chromium and boron mixed amorphous regions

PTD Variation

Extending nanocrystalline coating layer composition to include additional metallic or ceramic nanoparticles for enhanced wear resistance

Obviousness Reasoning

Predictable materials science technique of modifying coating composition to improve specific performance characteristics, using known nanostructured coating approaches

Source Patent Element

Single layer coating configuration with nanocrystalline structures

PTD Variation

Implementing gradient nanostructure distribution across coating thickness for optimized mechanical properties

Obviousness Reasoning

Known engineering approach of creating compositional gradients to achieve targeted material performance, representing a design choice within ordinary skill

Source Patent Element

Razor blade substrate with nanocrystalline protective coating

PTD Variation

Adapting coating technology for alternative cutting tool applications beyond traditional razor blades

Obviousness Reasoning

Routine materials engineering practice of translating successful coating technologies across related technical domains with predictable results

Source Patent Element

Polymer overcoating on nanocrystalline layer

PTD Variation

Introducing advanced polymer compositions with enhanced tribological or protective characteristics

Obviousness Reasoning

Standard materials engineering approach of incrementally improving protective layer compositions using known polymer science techniques

Source Patent Element

Nanoparticle diameter range of 3-100 nm

PTD Variation

Precisely controlling nanoparticle size distribution for targeted mechanical and surface properties

Obviousness Reasoning

Conventional materials engineering method of fine-tuning nanostructure parameters to achieve specific performance objectives

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, as they represent predictable extensions of the technological teachings in US Patent 11858158, employing routine materials engineering techniques to achieve incremental improvements in coating technologies for cutting implements.

Original Patent Information

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