Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858156_0001_PTD

Published: October 29, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Direct Improvements & Enhancements Technical Implementation,” Published Technical Disclosure No. 24-11858156_0001_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858156_0001_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. 11,858,156.

Summary of the Inventive Concept

An improved approach to direct improvements & enhancements that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but direct improvements & enhancements presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements direct improvements & enhancements 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 direct improvements & enhancements 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 direct improvements & enhancements enhancements.

CPC Classifications

Section	Class	Group
B	B26	B26B21/443

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Razor technology and personal grooming implements, specifically focusing on lubricating strip design and composition for razor cartridges, requiring expertise in polymer chemistry, materials engineering, and mechanical design of shaving devices

Person of Ordinary Skill (PHOSITA) Profile

A professional with a bachelor's degree in materials science or mechanical engineering, 3-5 years of experience in personal care product design, familiar with polymer formulations, manufacturing processes for multi-layered lubricating components, and razor cartridge engineering

Obviousness Rationale

The PTD's disclosed improvements represent predictable variations that would be readily apparent to a skilled practitioner given the foundational teachings of the source patent. By systematically extending the original lubricating strip design principles through known material substitution and configuration techniques, the PTD demonstrates obvious technical modifications that a person skilled in the art would recognize as incremental enhancements. The variations maintain core functional principles while introducing marginal improvements consistent with standard design optimization practices in razor technology.

Obvious Combinations & Variations

Source Patent Element

Multi-layer lubricating strip with different colored polymer layers

PTD Variation

Enhanced layer composition with modified polymer weight ratios and material interactions

Obviousness Reasoning

Routine material engineering optimization using known polymer substitution techniques, representing a predictable variation within established design parameters

Source Patent Element

Water-soluble and water-insoluble polymer combinations

PTD Variation

Adjusted polymer weight percentages to modify lubrication and dissolution characteristics

Obviousness Reasoning

Finite set of possible polymer ratio configurations that would be obvious to experiment with for performance improvement

Source Patent Element

Layered lubricating strip cross-section design

PTD Variation

Alternative layer geometries and interaction mechanisms maintaining core functional principles

Obviousness Reasoning

Design choice utilizing known geometric configuration techniques that a skilled practitioner would recognize as interchangeable

Source Patent Element

Razor cartridge lubricating strip technology

PTD Variation

Extended implementation approaches targeting direct performance enhancements

Obviousness Reasoning

Systematic application of known improvement methodologies within a predictable technological domain

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, when considered in light of US Patent 11858156. The incremental modifications represent standard engineering practices within razor lubricating strip technology, employing known material substitution and design optimization techniques that do not rise to the level of non-obvious innovation.

Original Patent Information

Patent Number	US 11,858,156
Title	Lubricating strip for a razor cartridge and razor cartridge using the same
Assignee(s)	DORCO CO., LTD.