Improved Infrastructure Solutions, LLC

6 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

Apr 2037

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 4, 2026
The maintenance fee for Underground pipe repair device with radial annular spacers and related systems and methods (US 10,309,575) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
1 fee due Jun 24, 2027
The maintenance fee for Underground pipe repair device with retention device and related systems and methods (US 10,514,125) comes due Jun 24, 2027. Unpaid by Dec 27, 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 6 of 6

Patent	Title	Status	Expires	Confidence
US 9,933,105	Underground pipe repair device with radial stepped annular spacer and related systems and methods In force Term ends Apr 12, 2037 · From the USPTO record	In force	Term ends Apr 12, 2037	From the USPTO record
US 10,309,575	Underground pipe repair device with radial annular spacers and related systems and methods In force Ends no later than Apr 12, 2037 · From the USPTO record	In force	Ends no later than Apr 12, 2037	From the USPTO record
US 10,514,125	Underground pipe repair device with retention device and related systems and methods In force Ends no later than Apr 12, 2037 · From the USPTO record	In force	Ends no later than Apr 12, 2037	From the USPTO record
US 11,035,514	Underground pipe repair device with annular spacer and related systems and methods In force Ends no later than Apr 12, 2037 · From the USPTO record	In force	Ends no later than Apr 12, 2037	From the USPTO record
US 11,326,732	Underground pipe repair device with detectable annular body and related systems and methods In force Ends no later than Apr 12, 2037 · From the USPTO record	In force	Ends no later than Apr 12, 2037	From the USPTO record
US 12,442,479	Underground pipe repair system with liner assembly and related methods In force Term ends Nov 3, 2043 · From the USPTO record	In force	Term ends Nov 3, 2043	From the USPTO record

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.