Chen-Source Inc.

12 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Jun 2030

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 2, 2026
The maintenance fee for USB charging circuit (US 9,048,666) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
1 fee due Aug 4, 2027
The maintenance fee for Adjustable screen lift arm (US 10,550,996) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 16, 2026

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.

Patent	Title	Status	Expires	Confidence
US 8,070,114	Support stand In force Term ends Jun 7, 2030 · From the USPTO record	In force	Term ends Jun 7, 2030	From the USPTO record
US 9,048,666	USB charging circuit In force Term ends Dec 18, 2033 · From the USPTO record	In force	Term ends Dec 18, 2033	From the USPTO record
US D911,990	Charging cabinet In force Term ends Mar 2, 2036 · From the USPTO record	In force	Term ends Mar 2, 2036	From the USPTO record
US 9,797,543	Adjustable tablet device holder In force Term ends Mar 17, 2036 · From the USPTO record	In force	Term ends Mar 17, 2036	From the USPTO record
US 9,746,128	Adjustable dual-screen monitor stand In force Term ends Apr 25, 2036 · From the USPTO record	In force	Term ends Apr 25, 2036	From the USPTO record
US 10,550,996	Adjustable screen lift arm In force Term ends Jul 30, 2038 · From the USPTO record	In force	Term ends Jul 30, 2038	From the USPTO record
US 10,820,689	Adjustable lifting support device In force Term ends Mar 13, 2039 · From the USPTO record	In force	Term ends Mar 13, 2039	From the USPTO record
US 10,944,275	Smart charging device In force Term ends Sep 17, 2039 · From the USPTO record	In force	Term ends Sep 17, 2039	From the USPTO record
US 11,023,224	Firmware update method for smart charging device In force Term ends Dec 3, 2039 · From the USPTO record	In force	Term ends Dec 3, 2039	From the USPTO record
US 11,114,879	Smart charging method In force Term ends Dec 20, 2039 · From the USPTO record	In force	Term ends Dec 20, 2039	From the USPTO record

10 of 12 patents shown.

Pro members see all 12.

Pro members: see all 12 patents

Also on record, not counted in the 12: 16 lapsed for an unpaid fee. 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

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

2 abandoned · 12 no status recorded

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