Coversan, LLC

9 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

Jul 2035

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 Jul 2, 2027
The maintenance fee for Modular portable toilet with rotary agitator (US 11,857,122) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.

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Recent changes

1 of the patents on this record was granted 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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 10,952,572	Toilet apparatus and method of use In force Term ends Jul 31, 2035 · From the USPTO record	In force	Term ends Jul 31, 2035	From the USPTO record
US 9,743,815	Toilet apparatus and method of use In force Term ends Jan 8, 2036 · From the USPTO record	In force	Term ends Jan 8, 2036	From the USPTO record
US 10,264,932	Waste absorbing formulation with communication capabilities and toilet systems for use thereof In force Term ends Jan 16, 2038 · From the USPTO record	In force	Term ends Jan 16, 2038	From the USPTO record
US 10,674,879	Waste absorbing formulation with communication capabilities and toilet systems for use thereof In force Ends no later than Jan 16, 2038 · From the USPTO record	In force	Ends no later than Jan 16, 2038	From the USPTO record
US D1,043,928	Removable toilet bucket In force Term ends Sep 24, 2039 · From the USPTO record	In force	Term ends Sep 24, 2039	From the USPTO record
US 11,441,108	Toilet waste material treatment packaged formulation and method In force Term ends Sep 10, 2040 · From the USPTO record	In force	Term ends Sep 10, 2040	From the USPTO record
US 11,857,122	Modular portable toilet with rotary agitator In force Term ends Jun 26, 2041 · From the USPTO record	In force	Term ends Jun 26, 2041	From the USPTO record
US 12,473,517	Method of use for toilet waste material treatment In force Term ends Sep 16, 2042 · From the USPTO record	In force	Term ends Sep 16, 2042	From the USPTO record
US 12,751,586	Portable Toilet with Tethered Agitators In force Term ends Jun 16, 2044 · High confidence	In force	Term ends Jun 16, 2044	High confidence

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.

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