Zhejiang Sci-Tech University
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2034
Next term end
When these terms end
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 Dec 6, 2026The maintenance fee for Weaving method of weft-backed jacquard fabric with color shading effect (US 11,668,027) comes due Dec 6, 2026. Unpaid by Jun 7, 2027, it lapses early.
- 1 fee due Feb 22, 2027The maintenance fee for Sample preparation mould and sample preparation method for triaxial test of municipal solid waste (US 11,733,134) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
- 1 fee due Jun 19, 2027The maintenance fee for Preparation method of composite films based on cellulose nanocrystals, cellulose nanofibers and reduced graphene oxide (US 11,845,853) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, it lapses early.
- 1 fee due Jul 21, 2027The maintenance fee for Two rotational and one translational degrees of freedom parallel manipulator with high rotational capability (US 10,539,211) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
- 1 fee due Nov 5, 2027The maintenance fee for Real-time normalization apparatus and method of phase generated carrier demodulation in sinusoidal phase modulation interferometer (US 10,641,600) comes due Nov 5, 2027. Unpaid by May 5, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted 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 9,797,705 | Laser heterodyne interferometric signal processing method based on locking edge with high frequency digital signal In force · From the USPTO record | In force | From the USPTO record | |
| US 9,863,753 | Laser heterodyne interferometric straightness measurement apparatus and method with six DOFs determination In force · From the USPTO record | In force | From the USPTO record | |
| US 9,835,441 | Absolute distance measurement apparatus and method using laser interferometric wavelength leverage In force · From the USPTO record | In force | From the USPTO record | |
| US 10,024,647 | Method of air refractive index correction for absolute long distance measurement In force · From the USPTO record | In force | From the USPTO record | |
| US 10,151,573 | Dual-Homodyne Laser Interferometric Nanometer Displacement Measuring Apparatus and Method Based on Phase Modulation In force · High confidence | In force | High confidence | |
| US 10,293,537 | A Device for Biaxially-Oriented Stretching Polytetrafluoroethylene Hollow Fiber Membranes and Method Thereof In force · High confidence | In force | High confidence | |
| US 11,410,574 | Layered electro-magnetic refreshable braille display device and braille reader In force · From the USPTO record | In force | From the USPTO record | |
| US 10,539,211 | Two rotational and one translational degrees of freedom parallel manipulator with high rotational capability In force · From the USPTO record | In force | From the USPTO record | |
| US 10,641,600 | Real-time normalization apparatus and method of phase generated carrier demodulation in sinusoidal phase modulation interferometer In force · From the USPTO record | In force | From the USPTO record | |
| US 11,168,975 | Phase delay extraction and compensation method in PGC phase demodulation technology In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 30: 4 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.
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 · 6 no status recorded