TrademarkDir
SA SINEWAVE AMPLIFICATION
LIVE

Serial Number

99330817

Owner

Chad Mangrum

Attorney

N. Alexander Nolte

First Use Date

Oct 25, 2024

Filing Date

Aug 11, 2025

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SA SINEWAVE AMPLIFICATION Trademark

Serial Number: 99330817 • Registration: 8176050

SA SINEWAVE AMPLIFICATION is a trademark filed by Chad Mangrum on August 11, 2025. The trademark is classified under Class 9 (Computers & Electronics). The application is currently registered and active.

Owner Contact Info

Chad Mangrum

2153 Cummings Dr.
Santa Rosa, CA 95404

Entity Type: 01

Trademark Details

Filing Date

August 11, 2025

Registration Date

March 17, 2026

First Use Anywhere

October 25, 2024

First Use in Commerce

October 25, 2024

Published for Opposition

January 27, 2026

Goods & Services

Amplifiers; Cabinets for loudspeakers

Filing History

NOTICE OF REGISTRATION CONFIRMATION EMAILED
Mar 17, 2026 NRCC
REGISTERED-PRINCIPAL REGISTER
Mar 17, 2026 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jan 27, 2026 NPUB
PUBLISHED FOR OPPOSITION
Jan 27, 2026 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jan 21, 2026 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Jan 2, 2026 CNSA
EXAMINER'S AMENDMENT ENTERED
Jan 2, 2026 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Jan 2, 2026 GNEN
EXAMINERS AMENDMENT E-MAILED
Jan 2, 2026 GNEA
EXAMINERS AMENDMENT -WRITTEN
Jan 2, 2026 CNEA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Jan 2, 2026 GNRN
NON-FINAL ACTION E-MAILED
Jan 2, 2026 GNRT
NON-FINAL ACTION WRITTEN
Jan 2, 2026 CNRT
ASSIGNED TO EXAMINER
Dec 24, 2025 DOCK
NOTICE OF DESIGN SEARCH CODE E-MAILED
Dec 20, 2025 MDSC
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Dec 20, 2025 NWOS
APPLICATION FILING RECEIPT MAILED
Aug 11, 2025 MAFR
NEW APPLICATION ENTERED
Aug 11, 2025 NWAP

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