Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858273_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. 24-11858273_0007_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858273_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. 11,858,273.

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	B41	B41J2/17523
B	B41	B41F31/02

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Printing fluid container systems and printing technology, specifically focusing on fluid container design, attachment mechanisms, and rotational coupling interfaces

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or technical specialist with expertise in fluid container design, manufacturing tolerances, precision coupling mechanisms, and printing system component integration, possessing knowledge of mechanical interfaces and rotational locking systems

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's core technical principles, utilizing known design modification techniques to enhance functionality while maintaining fundamental structural compatibility with the original printing fluid container architecture.

Obvious Combinations & Variations

Source Patent Element

Container body with collar having plurality of teeth for rotational coupling

PTD Variation

Enhanced tooth geometry and cam surface configurations to enable more precise alignment and reduced rotational force requirements

Obviousness Reasoning

Routine mechanical design optimization using known geometric variation techniques that would yield predictable improvements in coupling performance

Source Patent Element

Cap removal mechanism requiring rotational movement

PTD Variation

Alternative tooth count and cam surface angle configurations to modify removal dynamics

Obviousness Reasoning

Finite design space of rotational coupling mechanisms allows predictable variations that a PHOSITA would find obvious through standard engineering design iteration

Source Patent Element

Fluid container interface with standardized mounting features

PTD Variation

Modular design allowing expanded compatibility across different printing system architectures

Obviousness Reasoning

Adapting standard interface principles to broaden system interoperability represents a known technique for extending technical capabilities

Source Patent Element

Printing fluid container with specific tooth configuration

PTD Variation

Implementation of material science advances to improve wear resistance and precision of coupling interfaces

Obviousness Reasoning

Applying contemporary materials engineering principles to enhance existing mechanical designs constitutes an obvious technological progression

Source Patent Element

Rotational locking mechanism for fluid container

PTD Variation

Introduction of additional alignment features to improve sealing and reduce potential fluid leakage

Obviousness Reasoning

Incremental improvements addressing known limitations in fluid containment represent predictable design evolution within the technical domain

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11858273, a person having ordinary skill in the art would find the technical variations disclosed herein to be obvious extensions of the prior art, representing routine mechanical design modifications that would be apparent to a skilled practitioner without requiring inventive insight or non-obvious problem-solving.

Original Patent Information

Patent Number	US 11,858,273
Title	Printing fluid container with removable cap
Assignee(s)	Hewlett-Packard Development Company, L.P.