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PBS MATHLINE
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PBS MATHLINE
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
1994-01-31 — Application filed
1994-06-29 — Assigned to examiner
1994-07-06 — Assigned to examiner
1994-07-13 — Assigned to examiner
1994-07-28 — Final disposition recorded
1994-09-19 — Correspondence received in law office
1994-10-21 — Approved for pub - principal register
1994-10-24 — Previous allowance count withdrawn
1994-11-23 — Examiner's amendment mailed
1994-12-01 — Approved for pub - principal register
1995-03-03 — Notice of publication
1995-04-04 — Published for opposition
1995-06-27 — Noa mailed - sou required from applicant
1995-12-11 — Sou extension 1 filed
1996-02-09 — Sou extension 1 granted
1996-06-25 — Sou extension 2 filed
1996-10-09 — Sou extension 2 granted
1996-12-11 — Sou extension 3 filed
1997-01-25 — Sou extension 3 granted
1997-06-28 — Application abandoned
1997-06-28 — Final status recorded
Owner Information
Public Broadcasting Service
Alexandria , VA
Public Broadcasting Service
Alexandria , VA
Correspondent
BINGHAM B LEVERICH COVINGTON & BURLING P O BOX 7566 WASHINGTON, DC 20044 UNITED STATES
Filing Details
Filing Date:
1994-01-31
Status Date:
1997-06-28
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Trademark availability depends on jurisdiction, usage, and legal interpretation.