The Patent Finder

Delsun 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.
0
Ending by 2030
Oct 2032
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 15, 2027.

Recent changes

  • 2 of the patents on this record were 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.

Showing 1 to 10 of 10

PatentTitleStatus Expires Confidence
US 8,771,032Block assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US D818,056Building block
In force
 · From the USPTO record
In forceFrom the USPTO record
US D849,155Building Block
In force
 · From the USPTO record
In forceFrom the USPTO record
US D873,352Building block
In force
 · From the USPTO record
In forceFrom the USPTO record
US D921,771Building block playing table
In force
 · From the USPTO record
In forceFrom the USPTO record
US D960,569Building block collection box
In force
 · From the USPTO record
In forceFrom the USPTO record
US D1,044,361Hexagonal Table
In force
 · High confidence
In forceHigh confidence
US D1,150,998Art Drying Rack
In force
 · High confidence
In forceHigh confidence
US D1,154,258Hexagonal Storage Box
In force
 · High confidence
In forceHigh confidence
US 12,440,023Storage Box Structure
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 10: 2 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.

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 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited