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VANISHING CHAMBER

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

1981-01-21 — Application filed
1981-08-18 — Published for opposition
1982-02-02 — Registered-principal register
1987-02-24 — Registered - sec. 8 (6-yr) & sec. 15 filed
1987-08-03 — Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
2002-11-05 — Cancelled sec. 8 (10-yr)/expired section 9
2002-11-05 — Final status recorded

Owner Information

Welker Engineering Company
Sugar Land , TX

Correspondent

GUNN, LEE & JACKSON
STE 1616
11 GREENWAY PLZ
HOUSTON, TX 77046

Filing Details

Filing Date:
1981-01-21

Status Date:
2002-11-05

Category:
Electronics & Software

Filing Year:
1981

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