Obviousness

Based on the previously generated sections of this patent analysis, particularly the "Patent summary" and "Prior art" sections, a fundamental issue prevents the performance of an obviousness analysis for US Patent 10,615,928 under 35 U.S.C. § 103.

No Record of US Patent 10,615,928:
A thorough search of the U.S. Patent and Trademark Office (USPTO) database, conducted as of April 26, 2026, and confirmed as of May 9, 2026, yielded no record of a granted patent with the number 10,615,928. This means that the patent's claims, which are essential for any obviousness determination, are unavailable.

Inability to Conduct Obviousness Analysis:
An obviousness analysis under 35 U.S.C. § 103 requires comparing the claims of a patent to prior art references to determine if the claimed invention would have been obvious to a person having ordinary skill in the art at the time of the invention. Without the actual claims of US Patent 10,615,928, it is impossible to:

• Identify the scope and limitations of the claimed invention.
• Locate relevant prior art references (as none were cited by the patent during prosecution).
• Formulate combinations of prior art references.
• Articulate a motivation for a person of ordinary skill in the art to combine such references to arrive at the claimed invention.

Therefore, as a senior US patent analyst, I must explicitly state that an obviousness analysis for US Patent 10,615,928 cannot be performed due to the absence of the patent itself and its associated claims. It is highly probable that the patent number provided is incorrect.