Sentry Protection LLC

10 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

Dec 2026

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.

2 fees due Nov 10 to 12, 2027 · next Nov 10

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 10 of 10

Patent	Title	Status	Expires	Confidence
US D672,889	Column protector In force Term ends Dec 18, 2026 · From the USPTO record	In force	Term ends Dec 18, 2026	From the USPTO record
US 9,007,235	Corner Sensor Assembly In force Term ends Jul 24, 2032 · Medium confidence	In force	Term ends Jul 24, 2032	Medium confidence
US 9,336,666	Corner sensor assembly In force Ends no later than Jul 24, 2032 · From the USPTO record	In force	Ends no later than Jul 24, 2032	From the USPTO record
US 12,424,065	Presence Detection and Indicator System and Method In force Term ends Jul 24, 2032 · High confidence	In force	Term ends Jul 24, 2032	High confidence
US 8,686,874	Corner sensor assembly In force Term ends Jul 25, 2032 · From the USPTO record	In force	Term ends Jul 25, 2032	From the USPTO record
US 9,875,636	Collision sensor assembly for a stationary structure In force Ends no later than May 19, 2034 · From the USPTO record	In force	Ends no later than May 19, 2034	From the USPTO record
US 9,920,519	Column Protector and Column Protection System In force Term ends Feb 1, 2036 · High confidence	In force	Term ends Feb 1, 2036	High confidence
US 10,227,774	Column Protector and Column Protection System In force Term ends Feb 1, 2036 · High confidence	In force	Term ends Feb 1, 2036	High confidence
US 10,648,175	Column Protector and Column Protection System In force Term ends Feb 1, 2036 · High confidence	In force	Term ends Feb 1, 2036	High confidence
US D1,138,804	Collision Sensor In force Term ends Aug 4, 2041 · High confidence	In force	Term ends Aug 4, 2041	High confidence

Also on record, not counted in the 10: 5 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.

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Published applications

Every application published under this name has become a patent.