C2DX, Inc.

36 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

Oct 2027

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 2 to 11, 2026 · next Dec 2
3 fees due Jan 16 to 28, 2027 · next Jan 16
3 fees due Mar 1 to 5, 2027 · next Mar 1
1 fee due Apr 1, 2027
The maintenance fee for Medical Devices for the Identification and Treatment of Bodily Passages (US 10,426,925) comes due Apr 1, 2027. Unpaid by Oct 1, 2027, it lapses early.
1 fee due Jun 3, 2027
The maintenance fee for Suction Lithotripsy Apparatus, Method and Kit (US 10,492,865) comes due Jun 3, 2027. Unpaid by Dec 3, 2027, it lapses early.
1 fee due Oct 19, 2027
The maintenance fee for Medical Devices for the Identification and Treatment of Bodily Passages (US 9,314,593) comes due Oct 19, 2027. Unpaid by Apr 19, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 terms have 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 8,475,444	Heated hemostatic surgical blade system and method In force Ends no later than Oct 30, 2027 · From the USPTO record	In force	Ends no later than Oct 30, 2027	From the USPTO record
US 8,142,425	Hemostatic surgical blade, system and method of blade manufacture In force Term ends Jan 23, 2031 · From the USPTO record	In force	Term ends Jan 23, 2031	From the USPTO record
US 8,257,414	Thermal Pumps with Features In force Term ends Mar 10, 2031 · High confidence	In force	Term ends Mar 10, 2031	High confidence
US 8,945,142	Delivery System for Implanting Nasal Ventilation Tube In force Term ends Jan 9, 2032 · Medium confidence	In force	Term ends Jan 9, 2032	Medium confidence
US 9,980,631	Irrigation Devices Adapted to be used with a Light Source for the Identification and Treatment of Bodily Passages In force Term ends Jul 23, 2032 · High confidence	In force	Term ends Jul 23, 2032	High confidence
US 9,089,631	Irrigation Devices Adapted to be used with a Light Source for the Identification and Treatment of Bodily Passages In force Term ends Sep 17, 2032 · High confidence	In force	Term ends Sep 17, 2032	High confidence
US 9,022,789	Sialendoscopy Demonstration Apparatus In force Term ends Nov 18, 2032 · High confidence	In force	Term ends Nov 18, 2032	High confidence
US 9,586,034	Medical Devices, Methods, and Kits for Delivering Medication to a Bodily Passage In force Term ends Mar 15, 2033 · High confidence	In force	Term ends Mar 15, 2033	High confidence
US 9,592,370	Medical Devices, Methods, and Kits for Delivering Medication to a Bodily Passage In force Term ends Mar 15, 2033 · High confidence	In force	Term ends Mar 15, 2033	High confidence
US 10,188,828	Medical Devices, Methods, and Kits for Delivering Medication to a Bodily Passage In force Term ends Mar 15, 2033 · High confidence	In force	Term ends Mar 15, 2033	High confidence

10 of 36 patents shown.

Pro members see all 36.

Pro members: see all 36 patents

Also on record, not counted in the 36: 10 lapsed for an unpaid fee · 1 past the fee grace period. 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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