Where is the live CopyMark page for USPTO serial 75185834?

The live record is at https://getcopymark.com/trademark/75185834. Use https://getcopymark.com/trademark/{serialNumber} for any 8-digit USPTO serial.

Who owns SIERRA ENGINEERING?

According to the public USPTO record for serial number 75185834, the listed owner(s) include: Drennon/Castillo Ltd.-I.

What is USPTO serial number 75185834?

Serial number 75185834 is the USPTO application identifier for the mark SIERRA ENGINEERING. It is used to track examination, publication, and registration of this trademark.

What is the current status of SIERRA ENGINEERING?

SIERRA ENGINEERING (75185834) currently shows USPTO status code 603 on the public record. This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.

Which trademark classes cover SIERRA ENGINEERING?

The public record lists International Classes: 040. Each class corresponds to categories of goods or services identified in the application or registration.

Trademark: SIERRA ENGINEERING Serial# 75185834 | status 603; last event JURT | Trademark Info & Attorney Guidance

What this means

This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.

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Owner

Drennon/Castillo Ltd.-I
#260E, Midland, TX
Other trademarks owned by Drennon/Castillo Ltd.-I

Attorney of record

The USPTO lists this attorney as the applicant's representative for correspondence on this application.

DOROTHY HARRIS

DOROTHY HARRIS LOCKE PURNELL RAIN HARRELL2200 ROSS AVE STE 2200DALLAS, TX 75201-6776UNITED STATES

Goods and services

Class	Description	Status	First use
040	on-site petroleum engineering services to implement the treatment and stimulation of oil and gas wells to enhance production, including the design and the on-site supervision and implementation of fracturing procedures by hydraulic fracturing and well casing perforating procedures by gun perforating	ACTIVE	Jan 1, 1991

Related trademarks

CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.

Prosecution history

Date	Code	Event	What it means
Jan 11, 2001	JURT	JURISDICTION RESTORED TO EXAMINING ATTORNEY	—
Jan 10, 2001	EXPT	EXPARTE APPEAL TERMINATED	—
Aug 9, 2000	ABN3	ABANDONMENT - AFTER EX PARTE APPEAL	—
Aug 9, 2000	EXAR	EXPARTE APPEAL AFFIRMED/REVERSED IN PART	—
Jan 10, 2000	CNES	EXAMINERS STATEMENT MAILED	—
Nov 10, 1999	JURT	JURISDICTION RESTORED TO EXAMINING ATTORNEY	—
Nov 9, 1999	EXPI	EX PARTE APPEAL-INSTITUTED	—
Jan 13, 1999	CNFR	FINAL REFUSAL MAILED	A final Office Action (final refusal) means the examining attorney is maintaining at least one refusal and your options are narrower. You can file a response addressing the refusal, appeal to the Trademark Trial and Appeal Board, or let the application abandon.
Oct 29, 1998	CRFA	CORRESPONDENCE RECEIVED IN LAW OFFICE	—
Apr 24, 1998	CNRT	NON-FINAL ACTION MAILED	A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application.
Sep 3, 1997	CRFA	CORRESPONDENCE RECEIVED IN LAW OFFICE	—
Feb 27, 1997	CNRT	NON-FINAL ACTION MAILED	A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application.
Jan 27, 1997	DOCK	ASSIGNED TO EXAMINER	—

SIERRA ENGINEERING