Trademark: 72392377
Word
DUO-CHEK
Status
Registered
Status Code
800
Status Date
Saturday, April 23, 2022
Serial Number
72392377
Registration Number
0928279
Registration Date
Tuesday, February 1, 1972
Mark Type
1000
Filing Date
Tuesday, May 18, 1971
Trademark Owner History
Reichert, Inc. - 6th New Owner Entered After Registration
LEICA MICROSYSTEMS INC. - 5th New Owner Entered After Registration
LEICA INC. - 4th New Owner Entered After Registration
AMERICAN OPTICAL CORPORATION - Original Registrant
Classifications
26 REFRACTOMETERS
DUO-CHECK
Trademark Events
Apr 24, 2022
Notice Of Acceptance Of Sec. 8 & 9 - E-Mailed
Apr 23, 2022
Registered And Renewed (Fourth Renewal - 10 Yrs)
Apr 23, 2022
Registered - Sec. 8 (10-Yr) Accepted/Sec. 9 Granted
Apr 23, 2022
Case Assigned To Post Registration Paralegal
Dec 27, 2021
Teas Section 8 & 9 Received
Feb 1, 2021
Courtesy Reminder - Sec. 8 (10-Yr)/Sec. 9 E-Mailed
Mar 11, 2018
Applicant/Correspondence Changes (Non-Responsive) Entered
Mar 11, 2018
Teas Change Of Owner Address Received
Mar 11, 2018
Teas Change Of Correspondence Received
Mar 1, 2012
Notice Of Acceptance Of Sec. 8 & 9 - E-Mailed
Mar 1, 2012
Registered And Renewed (Third Renewal - 10 Yrs)
Mar 1, 2012
Registered - Sec. 8 (10-Yr) Accepted/Sec. 9 Granted
Feb 29, 2012
Case Assigned To Post Registration Paralegal
Jan 30, 2012
Teas Section 8 & 9 Received
Oct 19, 2011
Assignment Of Ownership Not Updated Automatically
Sep 12, 2008
Case File In Ticrs
Jun 7, 2007
Teas Change Of Correspondence Received
Feb 22, 2002
Registered And Renewed (Second Renewal - 10 Yrs)
Feb 22, 2002
Registered - Sec. 8 (10-Yr) Accepted/Sec. 9 Granted
Dec 19, 2001
Registered - Combined Section 8 (10-Yr) & Sec. 9 Filed
Apr 8, 1992
Registered And Renewed (First Renewal - 10 Yrs)
Dec 20, 1991
Registered - Sec. 9 Filed/Check Record For Sec. 8
Mar 13, 1978
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.
DUST-DEMON
BUD O'CLOCK
Trademark Alertz updated from USPTO on 2030-01-24

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