REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
07/05/2026
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Official data from USPTO
DUO-SPORE
Did you know this trademark is already registered in United States?
Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.
Active USPTO registrationType: WordOffice: US
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
18
Latest update
07/05/2026
Classification
Registered
Trademark type
Word
Nice classes
1
Filing date
01/19/1976
Registration date
07/05/1977
Expiration date
-
Recommended action
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Next step
These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.
Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/19/2017
Last transaction
07/05/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
11/03/1975
First use in commerce
11/03/1975
Drawing code
1
Owner type
03
Owner location
LONG ISLAND CITY, NY, US
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
PROPPER MANUFACTURING CO., INC.
Representatives
Charles P. LaPolla Amster, Rothstein & Ebenstein LLP
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
INDICATORS FOR MONITORING THE EFFECTIVENESS OF STERILIZATION PROCEDURES
Publications
History of USPTO decisions and trademark events.
18 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/27/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/27/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/11/2018
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
04/19/2017
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
04/19/2017
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/19/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/19/2017
E89R
TEAS SECTION 8 & 9 RECEIVED
02/23/2017
CFIT
CASE FILE IN TICRS
11/15/2007
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
08/08/2007
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/08/2007
PLGL
ASSIGNED TO PARALEGAL
08/07/2007
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
07/09/2007
PAPER RECEIVED
07/09/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
06/18/1997
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
05/16/1997
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
11/15/1982
Continuous trademark protection
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