Premo, S.L.

20 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Mar 2034

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 Dec 27, 2026
1 fee due May 12, 2027
The maintenance fee for Installation and method for winding an elongated flexible inductor (US 10,475,573) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
2 fees due Jun 10 to 30, 2027 · next Jun 10
2 fees due Jul 9 to 23, 2027 · next Jul 9
2 fees due Oct 2 to 28, 2027 · next Oct 2

Which patents, and when each one lapses · Pro

Recent changes

2 terms have ended since Aug 17, 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.

Patent	Title	Status	Expires	Confidence
US 9,531,436	Device for the two-way inductive coupling of data signals to a power line In force Term ends Mar 1, 2034 · From the USPTO record	In force	Term ends Mar 1, 2034	From the USPTO record
US 9,812,772	Antenna device and an adaptor for an antenna device In force Term ends May 23, 2034 · From the USPTO record	In force	Term ends May 23, 2034	From the USPTO record
US 9,960,492	Antenna and method for producing antennas In force Term ends May 30, 2035 · From the USPTO record	In force	Term ends May 30, 2035	From the USPTO record
US 10,707,565	Antenna device for HF and LF operation In force Term ends Nov 4, 2036 · From the USPTO record	In force	Term ends Nov 4, 2036	From the USPTO record
US 10,056,687	Flexible elongated inductor and elongated and flexible low-frequency antenna In force Term ends Mar 2, 2037 · From the USPTO record	In force	Term ends Mar 2, 2037	From the USPTO record
US 10,832,866	Device for forming a toroidal coil and method for forming a toroidal coil In force Term ends Jun 25, 2037 · From the USPTO record	In force	Term ends Jun 25, 2037	From the USPTO record
US 10,475,573	Installation and method for winding an elongated flexible inductor In force Term ends Nov 21, 2037 · From the USPTO record	In force	Term ends Nov 21, 2037	From the USPTO record
US 10,637,144	Low profile tri-axial antenna In force Term ends May 16, 2038 · From the USPTO record	In force	Term ends May 16, 2038	From the USPTO record
US 10,505,278	Three-axis antenna with improved quality factor In force Term ends Jul 17, 2038 · From the USPTO record	In force	Term ends Jul 17, 2038	From the USPTO record
US 10,522,905	Antenna for low frequency communication within a vehicle environment and low frequency communication system In force Term ends Oct 23, 2038 · From the USPTO record	In force	Term ends Oct 23, 2038	From the USPTO record

10 of 20 patents shown.

Pro members see all 20.

Pro members: see all 20 patents

Also on record, not counted in the 20: 3 lapsed for an unpaid fee. 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

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.

3 pending · 1 abandoned · 2 no status recorded

List them