21 patents currently held

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

1 more record may belong here and awaits a decision; it is not counted.

The next term ends in Apr 2028. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Apr 2028

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

202620272028 20292030203120322033203420352036203720382039 2040 2041 2042204320442045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Fall Protection System US 11,480,013

Cited by 14 later US patents, top 10% of utility patents granted in 2022 in our data. Protection runs to 2041.

Ends Jun 2041 · High confidence Also notable

Billboard Framework System for Misaligned Supports US 11,367,370

Cited by 6 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2041.

Ends Jan 2041 · High confidence Also notable

Light Blocking Louver Panel for an LED Light Display US 10,971,482

A family of 5 related applications built on the 2021 grant. Protection runs to 2040.

Ends Jan 2040 · High confidence

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 Feb 28, 2027
The maintenance fee for Billboard Framework System for Misaligned Supports (US 11,741,860) comes due Feb 28, 2027. Unpaid by Aug 30, 2027, it lapses early.
3 fees due Aug 4 to 27, 2027 · next Aug 4

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 2026

What they patent

The 5 largest of its 10 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Light Blocking Louver Panel for an LED Light Display	4 in force	to Jan 2040
Fall Protection System	3 in force	to Jun 2041
Billboard Framework System for Misaligned Supports	3 in force	to Jan 2041
Adaptive Billboard Frame Mount System	2 in force	to Aug 2042
Ladder Support Attachment	2 in force	to Oct 2041

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 8,371,002	Locking Clip for a Sign Tensioning System In force Term ends Apr 16, 2028 · High confidence	In force	Term ends Apr 16, 2028	High confidence
US 7,896,522	Frontal Illumination of a Surface Using LED Lighting In force (reinstated) Term ends May 23, 2029 · High confidence	In force (reinstated)	Term ends May 23, 2029	High confidence
US D880,008	Ladder Stabilizer In force Term ends Mar 31, 2035 · High confidence	In force	Term ends Mar 31, 2035	High confidence
US D882,120	Ladder Stabilizer In force Term ends Apr 21, 2035 · High confidence	In force	Term ends Apr 21, 2035	High confidence
US 9,995,325	Locking Clamp In force Term ends Mar 13, 2037 · High confidence	In force	Term ends Mar 13, 2037	High confidence
US 10,550,869	Locking Clamp In force Term ends Mar 13, 2037 · High confidence	In force	Term ends Mar 13, 2037	High confidence
US 11,125,016	Ladder Support Attachment In force Term ends Jul 8, 2039 · High confidence	In force	Term ends Jul 8, 2039	High confidence
US 10,971,482	Light Blocking Louver Panel for an LED Light Display In force Term ends Jan 21, 2040 · High confidence	In force	Term ends Jan 21, 2040	High confidence
US 11,557,575	Light Blocking Louver Panel for an LED Light Display In force Term ends Jan 21, 2040 · High confidence	In force	Term ends Jan 21, 2040	High confidence
US 11,916,049	Light Blocking Louver Panel for an LED Light Display In force Term ends Jan 21, 2040 · High confidence	In force	Term ends Jan 21, 2040	High confidence

10 of 21 patents shown.

Pro members see all 21.

Pro members: see all 21 patents

Also on record, not counted in the 21: 5 patents ended · 2 applications pending · 5 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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