Who owns the RBU trademark?

The RBU trademark is owned by Hummingbird, LLC.

What class is the RBU trademark registered in?

The RBU trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for RBU?

The USPTO serial number for RBU is 50029252.

What is the registration number for RBU?

RBU is registered under USPTO registration number 0.

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Updated Sep 17, 2026·37 searches this week

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RBU

USPTO Trademark Record

PENDING

RBU

SN 50029252·Reg 0·Filed Aug 03, 2026

Owner Hummingbird, LLC

Education; providing of training; entertainment; sporting and cultural activities.

RBU (Serial No. 50029252), Registration No. 0, is a pending US trademark filed on Aug 03, 2026 by Hummingbird, LLC. This trademark covers Class 041 (Education & entertainment services).

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Mark Intelligence

RBU (Reg. #0) is a pending US trademark that was filed in 2026 and is currently under USPTO examination. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities..

FILED

Aug 03, 2026

SERIAL

50029252

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateAug 03, 2026

Serial Number50029252

Registration No.0