The Patent Finder

Permavoid Limited

10 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2
Ending by 2030
Jul 2030
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 14, 2027.

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

PatentTitleStatus Expires Confidence
US 8,790,037Surfaces using structural modules
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,852,009Activity surfaces using structural modules
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,238,084Cattle Floor
In force
 · High confidence
In forceHigh confidence
US 9,986,693Plant surface structure and modules and method for forming the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,973,175Plant surface structure and modules and method for forming the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,631,328Sports field structure and modules and method for forming the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,208,434Sports field structure and method for forming the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,844,552Sports field structure and method for forming the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,505,901Sports field structure and method for forming the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,718,090Support structure with a connecting plug
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 10: 1 lapsed for an unpaid fee · 1 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.

Published applications

Every application published under this name has become a patent.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited