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EXTRUVAC

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

1984-11-29 — Application filed
1985-01-28 — Assigned to examiner
1985-02-21 — Examiner's amendment mailed
1985-03-01 — Approved for pub - principal register
1985-04-13 — Notice of publication
1985-05-14 — Published for opposition
1985-07-23 — Registered-principal register
1992-11-04 — Cancelled sec. 8 (6-yr)
1992-11-04 — Final status recorded

Owner Information

LEYBOLD-HERAEUS GMBH
KOLN-BAYENTHAL DE

Correspondent

GEORGE H SPENCER SPENCER & FRANK
1111 NINETEENTH ST N W
WASHINGTON, DC 20036
UNITED STATES

Filing Details

Filing Date:
1984-11-29

Status Date:
1992-11-04

Category:
Machines

Filing Year:
1984

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