trademarkia
...
Mark Name Description Status
HI-EFF HI-EFF Filed on: 2/24/2016

Chemical oxygen generators based on thermal decomposition of oxygen rich salts, pressurized gas, and oxygen concentrators that produce oxygen enriched breathing gas

read more...
REGISTERED 8/27/2019
HI-EFF HI-EFF Filed on: 4/18/2012

Aviation oxygen systems for crew and passengers, not for medical use, comprised of oxygen breathing units and oxygen dispensing units; Passenger oxygen masks, not for medical use

read more...
CONTINUED USE AND INCONTESTIBILITY ACCEPTED 2/16/2023
HI-EFF HI-EFF Filed on: 11/19/2010

Aviation oxygen systems for crew and passengers, namely, oxygen breathing units and oxygen dispensing units; passenger oxygen masks

read more...
ABANDONED - FAILURE TO RESPOND OR LATE RESPONSE 5/14/2012
HI-EFF HI-EFF Filed on: 2/6/1962

Polyester Stationary Phases for Gas Chromatography

read more...
CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE 11/8/2003

Why Trademark Watch? 1. Keep track of how your trademark is being used. 2. Available in the United States and in more than 180 countries. 3. Round-the-clock monitoring. 4. Hundreds of millions of pages searched. 5. Monthly report on potential infringement.

Comprehensive Trademark Search
Comprehensive Trademark Search

After a free search, you may see a list of possible trademark conflicts. How do you know which of these conflicts are likely to be a problem and which ones aren't, and whether any of them will require you to choose a new trademark? In this situation, you may need a Comprehensive Trademark Search, which is much more robust.

Comprehensive Trademark Search report? Click here to start now!
Social Media Search
Social Media Search

Trademarkia lets you see how your personal name, product name, trademark name or username is being used on any of 500+ new and popular social networks. Be the first to reserve your name and get help stopping others from using it - all in one place! Check HI-EFF on up to 530+ popular social networks.