DURCO

Live / Registered — Registered and renewed (as of 16 Jul 2026)

What this means for you

Registered since 20 Nov 1945. 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 Nov 2035: the §8 & §9 renewal).

Record

Serial number
71480747
Registration number
0417872
Mark type
Word mark
Filed
10 Mar 1945
Registered
20 Nov 1945
Current term from
20 Nov 2025
Next maintenance filing
§8 & §9 renewal, due by 20 Nov 2035 (grace period to 20 May 2036)
Attorney of record
April L. Besl

Goods and services

  • Class 009 — Scientific and electric apparatus: LABORATORY EQUIPMENT PARTICULARLY SUCH FOR HANDLING CORROSIVE LIQUIDS--NAMELY [ AGITATORS, TANKS, CONDENSERS, ] DENITRATING EQUIPMENT, [ DISTILLING APPARATUS, EVAPORATORS, ] FILTERS, BLEACHING EQUIPMENT, [ KETTLES, KJELDAHL DIGESTION APPARATUS, ACID RECONDITIONING APPARATUS, ] THERMOMETER WELLS, CONCENTRATING TOWERS, [ AND WET ASHING EQUIPMENT ]

Owner

Prosecution history

  • 16 Jul 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
  • 16 Jul 2026 — REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
  • 16 Jul 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
  • 16 Jul 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 14 May 2026 — TEAS SECTION 8 & 9 RECEIVED
  • 20 Nov 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
  • 23 Oct 2024 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
  • 31 Dec 2015 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
  • 31 Dec 2015 — REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
  • 31 Dec 2015 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
  • 31 Dec 2015 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 26 Oct 2015 — TEAS SECTION 8 & 9 RECEIVED
  • 28 Jan 2009 — CASE FILE IN TICRS
  • 28 Oct 2006 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
  • 28 Oct 2006 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

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