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MEMBRANE DIFFUSION

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

1986-08-11 — Application filed
1986-10-23 — Assigned to examiner
1986-12-11 — Final disposition recorded
1987-06-08 — Correspondence received in law office
1987-07-31 — Examiners amendment mailed
1987-08-06 — Approved for registration supplemental register
1987-09-22 — Registered-supplemental register
1992-11-20 — Registered - sec. 8 (6-yr) & sec. 15 filed
1993-03-05 — Post registration action mailed - sec. 8 & 15
1993-06-23 — Registered - sec. 8 (6-yr) & sec. 15 filed
1993-08-11 — Registered - sec. 8 (6-yr) accepted
2007-03-21 — Case file in ticrs
2008-06-27 — Cancelled sec. 8 (10-yr)/expired section 9
2008-06-27 — Final status recorded

Owner Information

LEPCO INCORPORATED
HOUSTON , TX

Correspondent

BILL B BERRYHILL
6300 W LOOP S
STE 280
BELLAIRE, TX 77401

Filing Details

Filing Date:
1986-08-11

Status Date:
2008-06-27

Category:
Lighting & Heating

Filing Year:
1986

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