Comfordy Co., Ltd.

10 patents currently held · Updated Nov 15, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Feb 2036

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due Dec 13, 2026
The maintenance fee for Chair back and seat assembly (US 11,672,347) comes due Dec 13, 2026. Unpaid by Jun 14, 2027, it lapses early.
1 fee due May 7, 2027
The maintenance fee for Chair base (US 11,805,917) comes due May 7, 2027. Unpaid by Nov 8, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US D910,359	Chair back In force Term ends Feb 16, 2036 · From the USPTO record	In force	Term ends Feb 16, 2036	From the USPTO record
US 12,178,324	Synchronous mechanism for a piece of seating furniture, and piece of seating furniture In force Term ends Nov 18, 2039 · From the USPTO record	In force	Term ends Nov 18, 2039	From the USPTO record
US 11,051,624	Twistable chair backrest frame In force Term ends Feb 27, 2040 · From the USPTO record	In force	Term ends Feb 27, 2040	From the USPTO record
US 11,213,132	Structure for rapidly assembling chair back and chair seat In force Term ends Aug 27, 2040 · From the USPTO record	In force	Term ends Aug 27, 2040	From the USPTO record
US 11,337,525	Reclining seatback support device In force Term ends Apr 14, 2041 · From the USPTO record	In force	Term ends Apr 14, 2041	From the USPTO record
US 11,672,347	Chair back and seat assembly In force Term ends Jan 30, 2042 · From the USPTO record	In force	Term ends Jan 30, 2042	From the USPTO record
US 11,805,917	Chair base In force Term ends Mar 18, 2042 · From the USPTO record	In force	Term ends Mar 18, 2042	From the USPTO record
US 12,137,817	Interlocking mechanism for seat and back of chair In force Term ends May 9, 2043 · From the USPTO record	In force	Term ends May 9, 2043	From the USPTO record
US 12,232,628	Chair Assembly In force Term ends Aug 23, 2043 · High confidence	In force	Term ends Aug 23, 2043	High confidence
US 12,604,988	Lifting Mechanism for Armrest In force Term ends Oct 11, 2044 · High confidence	In force	Term ends Oct 11, 2044	High confidence

Also on record, not counted in the 10: 3 lapsed for an unpaid fee · 2 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Published applications

Every application published under this name has become a patent.