Enhanced Sink Accessory System for Improved User Experience

Publication ID: 24-11857119_0006_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Sink Accessory System for Improved User Experience,” Published Technical Disclosure No. 24-11857119_0006_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857119_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. 11,857,119.

Summary of the Inventive Concept

An innovative sink accessory system that addresses the limitations of existing sink accessories by providing improved ergonomic access, enhanced stability, cleanliness, adjustable height, and accessibility.

Background and Problem Solved

The original sink accessory patent has limitations in terms of user comfort, stability, and cleanliness. The new inventive concept solves these problems by introducing a curved surface for ergonomic access, a weighted base for stability, a self-cleaning surface for cleanliness, a telescoping mechanism for adjustable height, and a pivoting mechanism for improved accessibility.

Detailed Description of the Inventive Concept

The enhanced sink accessory system consists of five key components: a curved surface that conforms to the natural shape of a user's hand, a weighted base that provides increased stability, a self-cleaning surface that reduces bacterial growth and residue accumulation, a telescoping mechanism that allows for adjustable height, and a pivoting mechanism that enables easy movement into and out of the sink. These components work together to create a sink accessory system that is more comfortable, stable, clean, and accessible for users.

Novelty and Inventive Step

The new claims introduce novel features that improve upon the original patent, including the curved surface, weighted base, self-cleaning surface, telescoping mechanism, and pivoting mechanism. These features provide a non-obvious solution to the limitations of existing sink accessories, resulting in a more user-friendly and efficient system.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include different materials, shapes, and sizes of the curved surface, weighted base, and self-cleaning surface. Additionally, the telescoping mechanism and pivoting mechanism could be implemented in various ways to achieve the desired functionality. These variations would ensure broad conceptual coverage and adaptability to different user needs and preferences.

Potential Commercial Applications and Market

The enhanced sink accessory system has significant commercial potential in the kitchen and bath industries, particularly in the premium and luxury segments. The system's focus on user experience, comfort, and cleanliness aligns with the growing demand for high-quality, ergonomic, and sustainable products in these markets.

CPC Classifications

SectionClassGroup
A A47 A47J47/20

Field of Art

Kitchen and sink accessories design, focusing on ergonomic and functional product development for kitchen utility products, requiring expertise in industrial design, materials engineering, and user interaction design

Person of Ordinary Skill (PHOSITA) Profile

A design engineer with 3-5 years experience in kitchen product development, familiar with ergonomic design principles, manufacturing techniques for kitchen accessories, and user-centered design approaches

Obviousness Rationale

A PHOSITA would recognize that the proposed variations represent predictable extensions of the source patent's fundamental sink accessory concept, applying standard design optimization techniques to improve user experience and functionality. The core structural elements of the original sink accessory provide a clear framework for incremental improvements that address known user interaction challenges. These modifications represent standard design iterations that would be apparent to a skilled practitioner seeking to enhance kitchen accessory performance.

Obvious Combinations & Variations

Source Patent Element
Sink accessory with draft angle design for positioning within sink walls
PTD Variation
Curved surface conforming to hand ergonomics
Obviousness Reasoning
Predictable design optimization applying known human factors engineering principles to improve user interaction with existing sink accessory geometry
Source Patent Element
Sink accessory configured for positioning within sink basin
PTD Variation
Weighted base for increased stability
Obviousness Reasoning
Known technique for improving product performance using standard mass distribution principles to enhance functional reliability
Source Patent Element
Modular sink accessory design allowing flexible positioning
PTD Variation
Telescoping mechanism for height adjustment
Obviousness Reasoning
Applying well-established adjustable mechanism design principles to extend functional versatility of existing sink accessory concept
Source Patent Element
Sink accessory with defined work space between structural elements
PTD Variation
Self-cleaning surface to reduce bacterial accumulation
Obviousness Reasoning
Implementing standard material science and surface engineering techniques to address known hygiene challenges in kitchen accessories
Source Patent Element
Sink accessory configured for flexible positioning
PTD Variation
Pivoting mechanism for enhanced accessibility
Obviousness Reasoning
Utilizing conventional mechanical design principles to improve user interaction and movement capabilities of existing product design
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857119, a Person Having Ordinary Skill In The Art would find the claimed variations of the present technical disclosure to represent obvious design extensions, employing standard engineering techniques to incrementally improve sink accessory functionality through predictable combinations of known design elements and user experience optimization strategies.

Original Patent Information

Patent NumberUS 11,857,119
TitleSink accessory system
Assignee(s)Kohler Co.