Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858273_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. 24-11858273_0002_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858273_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. 11,858,273.

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 systems and fluid container design, specifically focusing on removable container caps and fluid transfer mechanisms in printing equipment

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in fluid container design, manufacturing tolerances, and printing system component integration, possessing knowledge of mechanical coupling systems and fluid transfer technologies

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 mechanical coupling and fluid container technologies. The enhancements demonstrate standard design iteration techniques commonly employed in printing system component development. The variations maintain fundamental structural compatibility while introducing incremental improvements that would be apparent to a skilled practitioner.

Obvious Combinations & Variations

Source Patent Element

Container body with collar having plurality of teeth for cap engagement

PTD Variation

Enhanced tooth geometry with modified cam surface profiles to improve rotational coupling

Obviousness Reasoning

Predictable design optimization using known mechanical coupling techniques, representing a routine engineering modification

Source Patent Element

Cap removal mechanism requiring rotational movement

PTD Variation

Alternative rotational engagement strategies with expanded angular range of motion

Obviousness Reasoning

Finite design solutions for mechanical coupling are limited and would be obvious to implement through standard engineering problem-solving approaches

Source Patent Element

Fluid container with removable cap system

PTD Variation

Extended application of coupling mechanism to alternative fluid container geometries

Obviousness Reasoning

Known technique of adapting successful mechanical designs across related technical domains, representing standard design translation practice

Source Patent Element

Printing fluid container with specific tooth configuration

PTD Variation

Modified tooth count and cam surface inclination for improved engagement

Obviousness Reasoning

Routine parameter optimization using known mechanical design principles, representing predictable engineering iteration

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11858273, the present published technical disclosure demonstrates that the claimed variations would have been obvious to a person having ordinary skill in the art at the time of invention, as the modifications represent predictable extensions of known mechanical coupling and fluid container design principles, employing standard engineering techniques to achieve incremental improvements in printing system component technologies.

Original Patent Information

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