Trademark search for:

SISO , SQUAREWAVE IN SQUAREWAVE OUT

EXPIRED USPTO USPTO

No active United States Patent and Trademark Office (USPTO) registrations found, based on publicly available USPTO trademark records.

Trademark records may change over time. For the most up-to-date trademark status, domain availability, and social handle checks, run a live search.

Live search · Most up-to-date results

Also check across:

USPTO Filing History

Key events recorded for this trademark application

2007-01-12 — Application filed
2007-01-22 — Application filed
2007-01-26 — Application filed
2007-05-02 — Assigned to examiner
2007-05-09 — Final disposition recorded
2007-05-10 — Final disposition recorded
2007-08-15 — Paper received
2007-09-26 — Assigned to lie
2007-09-26 — Correspondence received in law office
2007-09-26 — Amendment from applicant entered
2007-10-19 — Final disposition recorded
2007-10-19 — Final disposition recorded
2007-11-13 — Paper received
2007-11-15 — Correspondence received in law office
2007-11-15 — Amendment from applicant entered
2007-12-07 — Suspension letter written
2007-12-07 — Letter of suspension mailed
2008-06-11 — Suspension checked - to attorney for action
2008-07-02 — Suspension inquiry written
2008-07-03 — Inquiry as to suspension mailed
2008-12-30 — Fax received
2009-01-07 — Correspondence received in law office
2009-01-07 — Amendment from applicant entered
2009-01-28 — Suspension letter written
2009-01-28 — Letter of suspension mailed
2009-04-06 — Paper received
2009-04-08 — Correspondence received in law office
2009-04-08 — Amendment from applicant entered
2009-04-30 — Final disposition recorded
2009-04-30 — Final disposition recorded
2009-09-17 — Paper received
2009-09-23 — Correspondence received in law office
2009-09-23 — Amendment from applicant entered
2009-10-14 — Approved for pub - principal register
2009-10-14 — Law office publication review completed
2009-10-20 — Withdrawn from pub - tqr/non-atty request
2009-10-28 — Previous allowance count withdrawn
2009-10-28 — Automatic update of assignment of ownership
2009-11-02 — Examiners amendment -written
2009-11-02 — Examiner's amendment entered
2009-11-02 — Examiner's amendment entered
2009-11-02 — Approved for pub - principal register
2009-11-03 — Examiners amendment mailed
2009-11-04 — Law office publication review completed
2009-11-04 — Assignment of ownership not updated automatically
2009-11-12 — Withdrawn from pub - tqr/non-atty request
2009-11-18 — Previous allowance count withdrawn
2009-12-04 — Examiners amendment -written
2009-12-04 — Examiner's amendment entered
2009-12-04 — Examiner's amendment entered
2009-12-04 — Approved for pub - principal register
2009-12-04 — Examiners amendment mailed
2009-12-23 — Law office publication review completed
2010-01-06 — Notice of publication
2010-01-26 — Published for opposition
2010-04-13 — Registered-principal register
2016-11-18 — Cancelled sec. 8 (6-yr)
2016-11-18 — Final status recorded

Owner Information

HANTECH CORPORATION
MARKHAM, ONTARIO CA

1568153 Ontario Inc.
Markham CA

Filing Details

Filing Date:
2007-01-12

Status Date:
2016-11-18

Category:
Electronics & Software

Filing Year:
2007

SISO , SQUAREWAVE IN SQUAREWAVE OUT

USPTO Filing History

Owner Information

Correspondent

Filing Details