Published Technical Disclosure Archive

Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858179_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. 24-11858179_0002_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858179_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. 11,858,179.

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

SectionClassGroup
B B29 B29C33/52
B B29 B29C43/361
B B29 B29C43/3642
B B29 B29C70/44
B B29 B29C33/42
B B29 B29C33/54
B B29 B29C2043/3261
B B29 B29C2043/3668
B B29 B29L2031/3085
B B33 B33Y80/00

Field of Art

Manufacturing and Molding Technologies, specifically advanced mandrel fabrication techniques for complex component casting, involving materials science, thermal expansion, and precision manufacturing processes

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with expertise in materials engineering, manufacturing processes, and casting technologies, possessing knowledge of thermal expansion materials, molding techniques, and component fabrication strategies

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's core technological framework, leveraging known manufacturing techniques and material science principles to enhance mandrel fabrication and casting processes. The proposed improvements demonstrate incremental advancements that would be readily conceived by someone with ordinary skill in advanced manufacturing technologies. The variations maintain fundamental technical compatibility with the original patent's core innovations while exploring alternative implementation strategies.

Obvious Combinations & Variations

Source Patent Element
Thermally expanding mandrel using expanding material composition with rubber particles and plaster
PTD Variation
Enhanced material composition incorporating additional thermal expansion particles and modified binder materials
Obviousness Reasoning
A PHOSITA would find it obvious to experiment with material composition variations to optimize thermal expansion characteristics, as material science allows predictable modifications to achieve desired mechanical properties
Source Patent Element
Manufacturing method involving molding, 3D printing, or machining of mandrel
PTD Variation
Extended manufacturing techniques incorporating advanced additive manufacturing and hybrid fabrication processes
Obviousness Reasoning
Exploring alternative manufacturing techniques represents a routine design choice for a PHOSITA seeking to improve production flexibility and precision
Source Patent Element
Surface feature design for facilitating component removal
PTD Variation
Advanced surface geometries and topological optimization to enhance mandrel performance and component extraction
Obviousness Reasoning
Refining surface features through computational design and materials engineering constitutes a predictable technical evolution within the established technological framework
Source Patent Element
Thermal expansion mechanism for mandrel removal
PTD Variation
Precision-controlled thermal expansion strategies with enhanced material responsiveness
Obviousness Reasoning
Implementing more sophisticated thermal expansion control represents an incremental improvement that would be obvious to a skilled practitioner seeking enhanced manufacturing precision
Source Patent Element
Recycling of expanding material composition
PTD Variation
Advanced material recovery and regeneration techniques with improved sustainability metrics
Obviousness Reasoning
Developing more efficient material recycling processes constitutes a predictable technological progression driven by economic and environmental considerations
35 U.S.C. § 103 Summary: Based on a comprehensive analysis of US Patent 11858179 and the corresponding Published Technical Disclosure, a Person Having Ordinary Skill In The Art would find the disclosed technical variations obvious and non-patentable, as they represent predictable extensions of existing manufacturing technologies through routine engineering modifications that do not rise to the level of non-obvious innovation.

Original Patent Information

Patent NumberUS 11,858,179
TitleThermally expanding mandrel for cast components
Assignee(s)Amazon Technologies, Inc.