SILFEX Trademark

Trademark Overview

On Thursday, March 19, 2026, a trademark application was filed for SILFEX with the United States Patent and Trademark Office. The USPTO has given the SILFEX trademark a serial number of 99713175. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, March 19, 2026. This trademark is owned by Lam Research Corporation. The SILFEX trademark is filed in the Machinery Products category with the following description:

Components of equipment for the manufacture, processing, and fabrication of semiconductors; Components of equipment for the manufacture, processing, and fabrication of semiconductors, namely, c-shroud rings, slotted rings, edge rings, mechanisms for sealing; Replacement parts for equipment for the manufacture, processing, and fabrication of semiconductors; Replacement parts for equipment for the manufacture, processing, and fabrication of semiconductors, namely, c-shroud rings, slotted rings, edge rings, and mechanisms for sealing
silfex

General Information

Serial Number99713175
Word MarkSILFEX
Filing DateThursday, March 19, 2026
Status630 - NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER
Status DateThursday, March 19, 2026
Registration Number0000000
Registration DateNOT AVAILABLE
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateNOT AVAILABLE

Trademark Statements

Goods and ServicesComponents of equipment for the manufacture, processing, and fabrication of semiconductors; Components of equipment for the manufacture, processing, and fabrication of semiconductors, namely, c-shroud rings, slotted rings, edge rings, mechanisms for sealing; Replacement parts for equipment for the manufacture, processing, and fabrication of semiconductors; Replacement parts for equipment for the manufacture, processing, and fabrication of semiconductors, namely, c-shroud rings, slotted rings, edge rings, and mechanisms for sealing

Classification Information

International Class007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
US Class Codes013, 019, 021, 023, 024, 031, 034, 035
Class Status Code6 - Active
Class Status DateThursday, March 19, 2026
Primary Code007
First Use Anywhere DateThursday, December 31, 2009
First Use In Commerce DateThursday, December 31, 2009

Trademark Owner History

Party NameLam Research Corporation
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressFremont, CA 94538
US

Trademark Events

Event DateEvent Description
Thursday, March 19, 2026NEW APPLICATION ENTERED
Thursday, March 19, 2026APPLICATION FILING RECEIPT MAILED

Related Keywords

silfex rings semiconductors processing fabrication equipment manufacture sealing parts mechanisms replacement