CORV
REVIEW OF CORRESPONDENCE COMPLETE - INFORMATION MADE OF RECORD
05/30/2026
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Official data from USPTO
EIMAC
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
53
Latest update
05/31/2026
Trademark type
Combined
Nice classes
9, 21
Filing date
03/12/1954
Registration date
02/01/1955
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/22/2025
Last transaction
05/31/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
09/12/1934
First use in commerce
1934-00-00
Drawing code
5
Owner type
03
Owner location
Palo Alto, CA, US
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
Microwave Power Products, Inc.
COMMUNICATION & POWER INDUSTRIES LLC
COMMUNICATION & POWER INDUSTRIES, INC.
VARIAN ASSOCIATES, INC.
EITEL-MCCULLOUGH, INC.
Representatives
Richard Wirthlin Irell & Manella LLP
Technical classification
Nice Classes
Class 9Class 21
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
No specification.
Class 21
ELECTRONIC EQUIPMENT AND PARTS-NAMELYELECTRON TUBE DEVICESVACUUM TUBESVACUUM CONDENSERSVACUUM SWITCHESGAS TUBESRECTIFIERSNEGATIVE GRID TUBESKLYSTRONSCATHODE-RAY TUBES (TELEVISION PICTURE TUBES)SOCKETSCONNECTORS*AND * CONTACTSGRID WIRECIRCUIT COMPONENTSTRANSMITTERSAMPLIFIERSOSCILLATORS
Publications
History of USPTO decisions and trademark events.
53 publications found
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/29/2026
PRA7
REGISTERED - SEC. 7 REQUEST ABANDONED
05/27/2026
PRAN
POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED
05/27/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/27/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/08/2026
ES7R
TEAS SECTION 7 REQUEST RECEIVED
02/10/2026
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
12/22/2025
RNL5
REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
12/22/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/22/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
11/15/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/21/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
07/30/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/06/2024
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
02/01/2024
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
12/14/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
12/07/2022
C.7C
NEW CERTIFICATE UNDER SECTION 7 - PROCESSED
10/16/2019
C.7C
NEW CERTIFICATE UNDER SECTION 7 - PROCESSED
09/11/2019
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/09/2019
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/23/2019
ES7R
TEAS SECTION 7 REQUEST RECEIVED
08/23/2019
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/07/2019
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/07/2019
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/02/2017
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/26/2017
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/26/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/10/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/29/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/30/2015
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
01/16/2015
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
01/16/2015
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/16/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
01/07/2015
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
01/06/2015
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
12/24/2014
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/24/2014
E89R
TEAS SECTION 8 & 9 RECEIVED
12/04/2014
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
12/01/2014
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
12/01/2014
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/12/2014
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/23/2011
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/22/2007
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/13/2006
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/24/2005
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/24/2005
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
05/24/2004
PAPER RECEIVED
05/24/2004
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
03/26/2004
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
02/05/2004
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
01/11/1995
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
10/31/1994
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
02/01/1975
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