Playworld Systems Incorporated

12 patents currently held · Updated Nov 15, 2026

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

Recorded under 2 name spellings.

Ending by 2030

Apr 2028

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 Jun 29, 2027
The maintenance fee for Playground Assembly (US 9,220,938) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 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 D701,931	Swing Hanger In force Term ends Apr 1, 2028 · High confidence	In force	Term ends Apr 1, 2028	High confidence
US D728,721	Combined Cord and Seat Support Memebers In force Term ends May 5, 2029 · High confidence	In force	Term ends May 5, 2029	High confidence
US D729,334	Playground Climbing Structure In force Term ends May 12, 2029 · High confidence	In force	Term ends May 12, 2029	High confidence
US D788,858	Climbable Integral Block Formation In force Term ends Jun 6, 2032 · High confidence	In force	Term ends Jun 6, 2032	High confidence
US D792,521	Climbable Block In force Term ends Jul 18, 2032 · High confidence	In force	Term ends Jul 18, 2032	High confidence
US D809,619	Climbable Play Sculpture In force Term ends Feb 6, 2033 · High confidence	In force	Term ends Feb 6, 2033	High confidence
US D821,526	Climbable Play Sculpture In force Term ends Jun 26, 2033 · High confidence	In force	Term ends Jun 26, 2033	High confidence
US D835,223	Climbable Playground Structure In force Term ends Dec 4, 2033 · High confidence	In force	Term ends Dec 4, 2033	High confidence
US D835,224	Climbable Play Sculpture In force Term ends Dec 4, 2033 · High confidence	In force	Term ends Dec 4, 2033	High confidence
US 9,220,938	Playground Assembly In force Term ends Feb 4, 2034 · High confidence	In force	Term ends Feb 4, 2034	High confidence

10 of 12 patents shown.

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Pro members: see all 12 patents

Also on record, not counted in the 12: 1 lapsed for an unpaid fee · 11 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

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.

1 abandoned

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