Filtereasy, LLC

11 patents currently held · Updated Nov 14, 2026

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

Recorded as renamed to Second Nature Brands, Inc. (2020)

Ending by 2030

Aug 2036

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 Jan 16, 2027
The maintenance fee for Folding Air Filter Assembly and Apparatus (US 10,350,533) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
1 fee due Feb 22, 2027
The maintenance fee for Variable Air Filter Assemblies (US 11,731,066) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
1 fee due Apr 1, 2027
The maintenance fee for Variable Air Filter Assemblies (US 10,427,079) comes due Apr 1, 2027. Unpaid by Oct 1, 2027, it lapses early.
1 fee due May 7, 2027
The maintenance fee for Folding Air Filter Assembly and Apparatus (US 11,806,656) comes due May 7, 2027. Unpaid by Nov 8, 2027, it lapses early.
1 fee due Nov 7, 2027
The maintenance fee for Folding Air Filter Assemblies (US 11,975,286) comes due Nov 7, 2027. Unpaid by May 8, 2028, 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.

Patent	Title	Status	Expires	Confidence
US 10,350,533	Folding Air Filter Assembly and Apparatus In force Term ends Aug 30, 2036 · High confidence	In force	Term ends Aug 30, 2036	High confidence
US 11,135,541	Folding Air Filter Assembly and Apparatus In force Term ends Aug 30, 2036 · High confidence	In force	Term ends Aug 30, 2036	High confidence
US 11,806,656	Folding Air Filter Assembly and Apparatus In force Term ends Aug 30, 2036 · High confidence	In force	Term ends Aug 30, 2036	High confidence
US 10,427,079	Variable Air Filter Assemblies In force Term ends Feb 28, 2039 · High confidence	In force	Term ends Feb 28, 2039	High confidence
US 11,097,217	Variable Air Filter Assemblies In force Term ends Feb 28, 2039 · High confidence	In force	Term ends Feb 28, 2039	High confidence
US 12,157,079	Variable Air Filter Assemblies In force Term ends Feb 28, 2039 · High confidence	In force	Term ends Feb 28, 2039	High confidence
US 11,731,066	Variable Air Filter Assemblies In force Term ends Mar 28, 2039 · High confidence	In force	Term ends Mar 28, 2039	High confidence
US 11,521,183	Methods, Systems, and Devices for a Service Oriented Architecture for Facilitating Air Filter Replacements In force Term ends Jul 2, 2039 · Medium confidence	In force	Term ends Jul 2, 2039	Medium confidence
US 12,370,485	Folding Air Filter Assemblies In force Term ends Oct 8, 2039 · High confidence	In force	Term ends Oct 8, 2039	High confidence
US 11,975,286	Folding Air Filter Assemblies In force Term ends Jul 2, 2040 · High confidence	In force	Term ends Jul 2, 2040	High confidence

10 of 11 patents shown.

Pro members see all 11.

Pro members: see all 11 patents

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.

2 pending

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