50 patents currently held
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Aug 2029. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
1
Ending by 2030
Aug 2029
Next term end
26
Patent families
When these terms end
Held patents by the year their term ends
notable patents
fee due within 90 days
all others
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Nov 2034 · High confidence
Also notable
Ends Sep 2035 · High confidence
Also notable
Ends Jan 2035 · High confidence
Apparatus to Prevent Curling of a Rug Corner
US 10,368,675
The most cited patent in this portfolio, cited by 30 later US patents, top 10% of utility patents granted in 2019 in our data. Protection runs to 2034.
Furniture Riser
US D896,621
Cited by 27 later US patents, top 25% of design patents granted in 2020 in our data. Protection runs to 2035.
Set of Corner Devices for a Floor Covering
US D873,050
A family of 6 related applications built on the 2020 grant. Protection runs to 2035.
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 Jan 23, 2027
- 1 fee due Feb 6, 2027The maintenance fee for Apparatus to Prevent Curling of a Rug Corner (US 10,368,675) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 1 fee due Jul 23, 2027The maintenance fee for Apparatus to Prevent Curling of a Rug Corner (US 11,877,679) comes due Jul 23, 2027. Unpaid by Jan 24, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 5 largest of its 26 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Apparatus to Prevent Curling of a Rug Corner | 9 in force | to Jan 2035 |
| Set of Corner Devices for a Floor Covering | 6 in force | to Apr 2039 |
| Recessed Furniture Riser | 5 in force | to Aug 2038 |
| Cat Litter Box Mat | 5 in force | to Sep 2037 |
| Corner Device for a Floor Covering | 4 in force | to Sep 2040 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D735,494 | Shoe Cleaning Mat In force · High confidence | In force | High confidence | |
| US D805,264 | Scoop In force · High confidence | In force | High confidence | |
| US D813,019 | Wheel Stop In force · High confidence | In force | High confidence | |
| US D863,699 | Band Clamp for Mounting an Animal Guard In force · High confidence | In force | High confidence | |
| US D863,701 | Vibration Dampening Support In force · High confidence | In force | High confidence | |
| US 10,357,122 | Apparatus to Prevent Curling of a Rug Corner In force · High confidence | In force | High confidence | |
| US 10,357,123 | Apparatus to Prevent Curling of a Rug Corner In force · High confidence | In force | High confidence | |
| US 10,368,675 | Apparatus to Prevent Curling of a Rug Corner In force · High confidence | In force | High confidence | |
| US 10,799,049 | Apparatus to Prevent Curling of a Rug Corner In force · High confidence | In force | High confidence | |
| US 10,806,285 | Apparatus to Prevent Curling of a Rug Corner In force · High confidence | In force | High confidence |
Also on record, not counted in the 50: 2 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.
Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.