DIFFUSEAL
Live / Allowed — Notice of allowance issued (as of 28 Jul 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 06 Jan 2026 filing date already counts against anyone who files later.
Record
- Serial number
- 99580409
- Mark type
- Word mark
- Filed
- 06 Jan 2026
- Published for opposition
- 02 Jun 2026
- Attorney of record
- Danna J. Cotman
Goods and services
- Class 009 — Scientific and electric apparatus: Optical glasses; Optical reflectors; Optical lenses; Hermetically sealed sapphire optical window systems and electrical terminals and feedthroughs for high voltage and other harsh environments
- Class 042 — Scientific and technological services: Engineering design services; Engineering services in the field of optical materials; Custom design and engineering of optical windows; Custom design and engineering of glass and sapphire optical windows; Consulting services in the field of product design and development; Research and development of new products; Research and development and consultation related thereto in the field of optical materials; Design of optical components
Owner
- RAYOTEK SCIENTIFIC, LLC, San Diego, CA, US
- RAYOTEK SCIENTIFIC, LLC, San Diego, CA, US
Prosecution history
- 28 Jul 2026 — NOA E-MAILED - SOU REQUIRED FROM APPLICANT
- 02 Jun 2026 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 02 Jun 2026 — PUBLISHED FOR OPPOSITION
- 27 May 2026 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 05 May 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 05 May 2026 — ASSIGNED TO EXAMINER
- 25 Apr 2026 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 06 Jan 2026 — APPLICATION FILING RECEIPT MAILED
- 06 Jan 2026 — NEW APPLICATION ENTERED