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CHEMLEARN

EXPIRED USPTO USPTO

No active United States Patent and Trademark Office (USPTO) registrations found, based on publicly available USPTO trademark records.

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USPTO Filing History

Key events recorded for this trademark application

1989-11-30 — Application filed
1990-02-23 — Assigned to examiner
1990-03-02 — Final disposition recorded
1990-05-08 — Examiner's amendment mailed
1990-05-16 — Approved for pub - principal register
1990-07-07 — Notice of publication
1990-07-10 — Notice of publication
1990-07-11 — Notice of publication
1990-08-07 — Published for opposition
1990-10-30 — Registered-principal register
1997-05-05 — Cancelled sec. 8 (6-yr)
1997-05-05 — Final status recorded

Owner Information

NATIONAL LIBRARY OF MEDICINE, THE
BETHESDA , MD

Correspondent

GLORIA H RICHARD PATENT BRANCE, OGC, DHHS
NIH BLDG 31 ROOM 2B62
9000 ROCKVILLE PIKE
BETHESDA, MD 20892

Filing Details

Filing Date:
1989-11-30

Status Date:
1997-05-05

Category:
Electronics & Software

Filing Year:
1989

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