SI Trademark

Trademark Overview


On Wednesday, April 17, 1963, a trademark application was filed for SI with the United States Patent and Trademark Office. The USPTO has given the SI trademark a serial number of 72166940. The federal status of this trademark filing is CANCELLED - SECTION 8 as of Saturday, November 27, 2004. This trademark is owned by Siliconix Incorporated. The SI trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:

Semiconductor Components Used as Transistor Devices in Electronic Circuits for Amplication Control or Switching

General Information


Serial Number72166940
Word MarkSI
Filing DateWednesday, April 17, 1963
Status710 - CANCELLED - SECTION 8
Status DateSaturday, November 27, 2004
Registration Number0765458
Registration DateTuesday, February 25, 1964
Mark Drawing5000 - Drawing with word(s) / letter(s) / number(s) in Stylized form
Published for Opposition DateNOT AVAILABLE

Trademark Statements


Certificate of Correction for Registration IT IS HEREBY CERTIFIED THAT THE ABOVE IDENTIFIED REGISTRATION IS IN ERROR REQUIRING CORRECTION AS FOLLOWS: #IN THE STATEMENT, COLUMN 002, LINE 004 , ""CLASS 26"" SHOULD BE DELETED AND " CLASS 21" SHOULD BE INSERTED. #THE SAID REGISTRATION SHOULD READ AS CORRECTED ABOVE.
Description of MarkThe mark consists of upper case letter "S" in stylized form with lower case letter "i" imprinted in center of "S".
Goods and ServicesSemiconductor Components Used as Transistor Devices in Electronic Circuits for Amplication Control or Switching

Classification Information


International Class009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus.
US Class Codes021
Class Status Code2 - Sec. 8 - Entire Registration
Class Status DateSaturday, November 27, 2004
Primary Code021
First Use Anywhere DateThursday, October 11, 1962
First Use In Commerce DateSaturday, November 3, 1962

Trademark Owner History


Party NameSiliconix Incorporated
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressSUNNYVALE, CA

Trademark Events


Event DateEvent Description
Saturday, November 27, 2004CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
Saturday, February 25, 1984REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
Tuesday, December 18, 1979CORRECTION UNDER SECTION 7 ¿ PROCESSED