MEMTEK

What this means for you

Registered since 20 Mar 1990. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 20 Mar 2020).

Record

Serial number

73819758

Registration number

1587648

Mark type

Word mark

Filed

17 Aug 1989

Published for opposition

26 Dec 1989

Registered

20 Mar 1990

Next maintenance due

20 Mar 2020

Attorney of record

Gary C. Ganzi

Goods and services

• Class 011 — Environmental control apparatus: WASTEWATER TREATMENT UNITS AND PARTS THEREOF FOR INDUSTRIAL USE

Owner

• EVOQUA WATER TECHNOLOGIES LLC, Tewksbury, MA, US
• SIEMENS WATER TECHNOLOGIES LLC, ALPHARETTA, GA, US
• SIEMENS INDUSTRY, INC., ALPHARETTA, GA, US
• SIEMENS WATER TECHNOLOGIES HOLDING CORP., WARRENDALE, PA, US
• USFILTER CORPORATION, WARRENDALE, PA, US
• IP HOLDING COMPANY, LOWELL, MA, US
• WHEELABRATOR CLEAN WATER, INC., NAPERVILLE, IL, US
• MEMTEK CORPORATION, BILLERICA, MA, US
• MEMTEK CORPORATION, BILLERICA, MA, US
• MEMTEK CORPORATION, BILLERICA, MA, US

Prosecution history

• 11 Nov 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
• 11 Nov 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
• 11 Nov 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
• 11 Nov 2025 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
• 11 Nov 2025 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
• 08 Apr 2024 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
• 08 Apr 2024 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
• 08 Apr 2024 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
• 17 Feb 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
• 17 Feb 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
• 17 Feb 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
• 12 May 2021 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
• 14 Apr 2021 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
• 15 Jul 2019 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
• 15 Jul 2019 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)