Trademarks owned by Dowell Schlumberger Incorporated

Dowell Schlumberger Incorporated's most recent trademark was filed thirty-eight years ago. They have been associated with twelve trademarks over the last fifty-nine years and have zero trademarks that are alive.

Paraban

Dead 710 — Cancelled - Section 8
Serial #: 73589666
Registration Date: 8/11/1987

Vertan

Dead 900 — Expired
Serial #: 72345314
Registration Date: 9/29/1970

Zonetrol

Dead 900 — Expired
Serial #: 72282786
Registration Date: 9/10/1968

Redifrac

Dead 900 — Expired
Serial #: 72225938
Registration Date: 3/14/1967

Petrojel

Dead 900 — Expired
Serial #: 72201393
Registration Date: 2/8/1966

Litepoz

Dead 711 — Cancelled - Section 7
Serial #: 72201396
Registration Date: 1/18/1966

Trademarks Previously Owned by Dowell Schlumberger Incorporated

Fixafrac

Alive 800 — Registered and Renewed
Serial #: 72342961
Registration Date: 1/26/1971

Protectozone

Alive 800 — Registered and Renewed
Serial #: 72341448
Registration Date: 6/15/1971

Divertafrac

Alive 800 — Registered and Renewed
Serial #: 72253859
Registration Date: 11/21/1967

Zonelock

Alive 800 — Registered and Renewed
Serial #: 72252553
Registration Date: 11/28/1967

Tic

Alive 800 — Registered and Renewed
Serial #: 72232821
Registration Date: 10/11/1966

Duofrac

Alive 800 — Registered and Renewed
Serial #: 72195075
Registration Date: 7/13/1965

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