Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858290_0002_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. 24-11858290_0002_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858290_0002_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. 11,858,290.

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	B43	B43K8/06
A	A45	A45D34/04
B	B43	B43K8/022
B	B43	B43K8/024
B	B43	B43K8/026
B	B43	B43K8/03
A	A45	A45D2034/005
A	A45	A45D2200/054
A	A45	A45D2200/1009

Section 103 Obviousness Analysis (PHOSITA)

▼

Field of Art

Liquid applicator technologies with a focus on controlled liquid dispensing for writing instruments and cosmetic applications, involving fluid dynamics, material science, and precision engineering

Person of Ordinary Skill (PHOSITA) Profile

A professional with expertise in mechanical engineering, materials science, and fluid transfer technologies, possessing knowledge of microfluidic systems, porous materials, and precision liquid delivery mechanisms

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 liquid applicator technology by applying known design optimization techniques and exploring alternative implementation strategies for liquid transfer and control mechanisms.

Obvious Combinations & Variations

Source Patent Element

Gas-liquid exchanger with wick and liquid sealing tube

PTD Variation

Enhanced gas-liquid channel configurations with modified groove geometries and alternative porous material compositions

Obviousness Reasoning

A PHOSITA would find it obvious to experiment with groove designs and material selections as routine design optimization for improving fluid transfer efficiency and control

Source Patent Element

Buffer comprising porous material

PTD Variation

Alternative buffer configurations with enhanced porosity and modified material structures to improve liquid retention and controlled release

Obviousness Reasoning

Modifying buffer material characteristics represents a predictable variation within the known design space of liquid applicator technologies

Source Patent Element

Liquid applicator with gas-conduction channel

PTD Variation

Extended channel geometries and cross-sectional variations to accommodate different liquid viscosities and application requirements

Obviousness Reasoning

Adjusting channel dimensions and configurations is a standard engineering approach for adapting liquid transfer mechanisms to specific use cases

Source Patent Element

Liquid sealing tube with porous material

PTD Variation

Advanced porous material compositions and layered structures to improve liquid flow control and prevent unintended leakage

Obviousness Reasoning

Exploring material science innovations for improved liquid containment represents an obvious technical progression for skilled practitioners

Source Patent Element

Applicator head design

PTD Variation

Refined applicator head geometries and surface treatments to enhance liquid distribution and application precision

Obviousness Reasoning

Iterative improvements to applicator head design are consistent with standard product development practices in liquid delivery technologies

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 foundational teachings in US Patent 11858290, employing known techniques and design optimization strategies within the established technological framework of liquid applicator systems.

Original Patent Information

Patent Number	US 11,858,290
Title	Liquid applicator