CSILK

Live / Registered — Registered and renewed (as of 11 Mar 2026)

What this means for you

Registered since 06 Sept 2016. 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 06 Sept 2026).

Record

Serial number
86979907
Registration number
5038100
Mark type
Stylized text
Filed
12 Nov 2014
Published for opposition
17 Nov 2015
Registered
06 Sept 2016
Next maintenance due
06 Sept 2026
Attorney of record
Jeffrey H. Handelsman

Goods and services

  • Class 001 — Chemicals: Carbon, namely, carbon nanotubes in the nature of tubular carbon molecules sold in the form of carbon nanotube sheets, ribbons and/or yarns
  • Class 017 — Rubber goods: Goods made with carbon nanotube sheets, ribbons and/or yarns, namely, carbon fibers not for textile use

Owner

Prosecution history

  • 11 Mar 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
  • 11 Mar 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
  • 11 Mar 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
  • 11 Mar 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 17 Dec 2025 — TEAS SECTION 8 & 9 RECEIVED
  • 06 Sept 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
  • 30 Mar 2023 — NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED
  • 30 Mar 2023 — REGISTERED - SEC. 8 (6-YR) ACCEPTED
  • 30 Mar 2023 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 15 Aug 2022 — TEAS SECTION 8 RECEIVED
  • 06 Sept 2021 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
  • 26 Aug 2020 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
  • 26 Aug 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
  • 26 Aug 2020 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
  • 26 Aug 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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