Sure-Fi Inc.

8 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

Feb 2037

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 Preemptive Maintenance for a Client-Server Masquerading Network (US 10,356,831) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
3 fees due Feb 8 to 22, 2027 · next Feb 8
1 fee due May 21, 2027
The maintenance fee for Multiple chirp data alignment with early message rejection for chirp spread spectrum (US 11,824,579) comes due May 21, 2027. Unpaid by Nov 22, 2027, it lapses early.
1 fee due Jul 16, 2027
The maintenance fee for Forward error correction for chirp spread spectrum (US 11,876,621) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 16, 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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US 10,218,594	Intermediate-Range Multi-Channel Wireless Device for Variable Interference Environments with Adaptive Redundancy and Patience Indicators In force Term ends Feb 28, 2037 · High confidence	In force	Term ends Feb 28, 2037	High confidence
US 10,356,831	Preemptive Maintenance for a Client-Server Masquerading Network In force Term ends Mar 23, 2037 · High confidence	In force	Term ends Mar 23, 2037	High confidence
US 10,206,081	Deployment of Intermediate-Range Devices using a Short-Range Mobile Device In force Term ends Oct 5, 2037 · High confidence	In force	Term ends Oct 5, 2037	High confidence
US 11,722,169	Threshold driven error correction for chirp spread spectrum In force Term ends Sep 9, 2041 · From the USPTO record	In force	Term ends Sep 9, 2041	From the USPTO record
US 11,876,621	Forward error correction for chirp spread spectrum In force Term ends Sep 12, 2041 · From the USPTO record	In force	Term ends Sep 12, 2041	From the USPTO record
US 11,728,840	Single chirp data alignment with early message rejection for chirp spread spectrum In force Term ends Dec 31, 2041 · From the USPTO record	In force	Term ends Dec 31, 2041	From the USPTO record
US 11,736,142	Single chirp data alignment for chirp spread spectrum In force Term ends Dec 31, 2041 · From the USPTO record	In force	Term ends Dec 31, 2041	From the USPTO record
US 11,824,579	Multiple chirp data alignment with early message rejection for chirp spread spectrum In force Ends no later than Dec 31, 2041 · From the USPTO record	In force	Ends no later than Dec 31, 2041	From the USPTO record

Also on record, not counted in the 8: 22 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.

1 no status recorded

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