Who owns the AP4B trademark?

The AP4B trademark is owned by PROENGIN.

What class is the AP4B trademark registered in?

The AP4B trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for AP4B?

The USPTO serial number for AP4B is 79447131.

What is the registration number for AP4B?

AP4B is registered under USPTO registration number 8528298.

AP4B - Owned by PROENGIN - (Class 009)

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

This description is as filed with the USPTO and defines the scope of trademark protection.

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Status History

21 events

REGISTERED-PRINCIPAL REGISTER

Nov 03, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 03, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Sep 15, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 15, 2026

Code NPUB

NOTIFICATION PROCESSED BY IB

Sep 10, 2026

Code GPNX

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 09, 2026

Code NONP

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Aug 26, 2026

Code OP2R

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Aug 26, 2026

Code OPNS

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 17, 2026

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 14, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 14, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 14, 2026

Code TEME

REFUSAL PROCESSED BY IB

Jul 16, 2026

Code RFNT

REFUSAL PROCESSED BY MPU

Jul 02, 2026

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Jul 02, 2026

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

May 13, 2026

Code RFCR

NON-FINAL ACTION WRITTEN

May 12, 2026

Code CNRT

ASSIGNED TO EXAMINER

May 08, 2026

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 03, 2026

Code NWOS

APPLICATION FILING RECEIPT MAILED

Apr 03, 2026

Code MAFR

SN ASSIGNED FOR SECT 66A APPL FROM IB

Apr 02, 2026

Code REPR

Other Marks by PROENGIN

Additional USPTO filings from the same owner.

MAB

79446116

PROENGIN

REGISTERED

AP4

AP4C

79446570

PROENGIN

PENDING

PRO

PROENGIN ACADEMY

79444073

PROENGIN

PENDING

PRO

PROENGIN SHIELD

79444713

PROENGIN

PENDING

Other Marks by Dennis Prahl, Esq.

Additional USPTO filings handled by the same attorney of record.

MAB

79446116

REGISTERED

LOG

LogoMark

79436395

REGISTERED

ECO

E-CORE

97492848

REGISTERED

CAL

CALMONT

79342938

REGISTERED

AP4B

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by PROENGIN

Other Marks by Dennis Prahl, Esq.

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