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DIFF3
Trademark search for:
DIFF3
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
1977-03-21 — Application filed
1977-04-22 — Assigned to examiner
1977-06-24 — Assigned to examiner
1977-07-14 — Final disposition recorded
1978-09-29 — Approved for pub - principal register
1978-10-18 — Notice of publication
1983-05-17 — Registered-principal register
1983-05-17 — Registered-principal register
1989-09-28 — Cancelled sec. 8 (6-yr)
1989-09-28 — Final status recorded
Owner Information
Coulter Electronics, Inc.
Hialeah , FL
Perkin-Elmer Corporation, The
Norwalk , CT
Correspondent
SILVERMAN, CASS & SINGER, LTD 27TH FL 105 W ADAMS ST CHICAGO, IL 60603
Filing Details
Filing Date:
1977-03-21
Status Date:
1989-09-28
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