Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858153_0006_PTD

Published: October 29, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Direct Improvements & Enhancements Technical Implementation,” Published Technical Disclosure No. 24-11858153_0006_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858153_0006_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. 11,858,153.

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	B26B19/20
B	B26	B26B19/3813
B	B26	B26B19/06

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Hair cutting appliance design and precision grooming tools, specifically focusing on spacing combs and trimming attachments with specialized tooth configurations for controlled hair cutting

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or industrial designer with expertise in personal grooming equipment, familiar with precision cutting tool design, manufacturing tolerances, and ergonomic considerations for hair trimming devices

Obviousness Rationale

A person skilled in the art would recognize that the published technical disclosure represents predictable variations and design extensions of the source patent's core spacing comb technology. The PTD's approach of introducing enhanced components and alternative implementation strategies follows standard engineering problem-solving methodologies for incremental improvements in hair cutting appliance design. These variations would be considered routine design modifications within the existing technological framework established by the original patent.

Obvious Combinations & Variations

Source Patent Element

Support frame with side bars and multiple series of comb teeth

PTD Variation

Enhanced component configurations with modified tooth geometries and spacing strategies

Obviousness Reasoning

Predictable design variation using known geometric manipulation techniques to optimize cutting performance, representing a standard engineering approach to incremental product improvement

Source Patent Element

Frontal and rear comb tooth portions with specific alignment configurations

PTD Variation

Alternative tooth arrangement strategies that maintain core functional principles of skin offset and cutting guidance

Obviousness Reasoning

Finite design solutions that a skilled practitioner would recognize as obvious extensions of existing tooth configuration concepts

Source Patent Element

Concave frontal connector bar with linear or curved tooth tip arrangements

PTD Variation

Modified connector bar geometries that provide enhanced cutting precision and user control

Obviousness Reasoning

Known technique of geometric variation to improve functional performance, representing a standard approach to design optimization

Source Patent Element

Spacing mechanism defining offset between skin and cutting blade

PTD Variation

Alternative implementation approaches for maintaining consistent cutting distance and user safety

Obviousness Reasoning

Predictable solution set using well-understood mechanical design principles in hair cutting technology

Source Patent Element

Connector plate and side bar structural configuration

PTD Variation

Enhanced structural designs that provide improved mechanical stability and manufacturing efficiency

Obviousness Reasoning

Routine engineering design choice utilizing known structural modification techniques within established technological constraints

35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. § 103, the published technical disclosure (PTD) derived from US Patent 11858153 constitutes prior art that would render obvious any subsequently claimed variations in hair cutting appliance spacing comb design. The disclosed technical variations represent predictable engineering solutions that a person having ordinary skill in the art would find obvious based on the existing technological foundation, thus anticipating and invalidating potential claims of non-obviousness.

Original Patent Information

Patent Number	US 11,858,153
Title	Spacing comb and hair cutting appliance
Assignee(s)	Koninklijke Philips N.V.