Cru Data Security Group, LLC

18 patents currently held · Updated Nov 14, 2026

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

Recorded as renamed to CDSG Holdco, LLC (2025)

Ending by 2030

Jul 2028

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 Apr 1, 2027
The maintenance fee for Combination Write Blocker (US 10,430,361) comes due Apr 1, 2027. Unpaid by Oct 1, 2027, 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.

Patent	Title	Status	Expires	Confidence
US 8,076,798	Uninterruptible A/C Power Supply Transfer Unit In force Term ends Jul 23, 2028 · High confidence	In force	Term ends Jul 23, 2028	High confidence
US 7,855,880	Low Cost Disaster Resistant Data Storage Module In force Term ends Jan 24, 2029 · High confidence	In force	Term ends Jan 24, 2029	High confidence
US 8,090,904	Reduced Hard-Drive-Capacity Detection Device In force Term ends Jan 17, 2030 · High confidence	In force	Term ends Jan 17, 2030	High confidence
US D773,468	Optical and SSD Drive Faceplate In force Term ends Dec 6, 2031 · High confidence	In force	Term ends Dec 6, 2031	High confidence
US D773,469	Optical Drive with Removable SSD In force Term ends Dec 6, 2031 · High confidence	In force	Term ends Dec 6, 2031	High confidence
US 8,605,414	Disaster Resistant Server Enclosure with Cold Thermal Storage Device and Server Cooling Device In force Term ends Mar 29, 2032 · High confidence	In force	Term ends Mar 29, 2032	High confidence
US D815,641	Removable SSD Device In force Term ends Apr 17, 2033 · High confidence	In force	Term ends Apr 17, 2033	High confidence
US 9,001,505	Low Cost Rugged Portable Data Storage Device and Docking Station In force Term ends Jan 16, 2034 · High confidence	In force	Term ends Jan 16, 2034	High confidence
US 10,936,742	Systems and Methods for Securing Stored Computer Files from Modification In force Term ends Sep 9, 2035 · High confidence	In force	Term ends Sep 9, 2035	High confidence
US 11,475,152	Systems and Methods for Securing Stored Computer Files from Modification with Control Circuit In force Term ends Sep 10, 2035 · High confidence	In force	Term ends Sep 10, 2035	High confidence

10 of 18 patents shown.

Pro members see all 18.

Pro members: see all 18 patents

Also on record, not counted in the 18: 3 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

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 pending

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