Protochips, Inc.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
9
Ending by 2030
May 2028
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.
- 2 fees due Dec 2 to 23, 2026 · next Dec 2
- 1 fee due Feb 6, 2027The maintenance fee for Method for optimizing fluid flow across a sample within an electron microscope sample holder (US 10,373,800) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 1 fee due Mar 12, 2027The maintenance fee for Systems and methods of metadata and image management for reviewing data from transmission electron microscope (TEM) sessions (US 11,755,639) comes due Mar 12, 2027. Unpaid by Sep 13, 2027, it lapses early.
- 2 fees due Apr 15 to 29, 2027 · next Apr 15
- 1 fee due Jun 10, 2027The maintenance fee for Method for safe control of gas delivery to an electron microscope sample holder (US 10,503,127) comes due Jun 10, 2027. Unpaid by Dec 10, 2027, it lapses early.
- 1 fee due Jul 9, 2027The maintenance fee for Electron microscope sample holder fluid handling with independent pressure and flow control (US 11,869,744) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
- 1 fee due Aug 13, 2027The maintenance fee for Automated Application of Drift Correction to Sample Studied Under Electron Microscope (US 11,902,665) comes due Aug 13, 2027. Unpaid by Feb 14, 2028, it lapses early.
- 2 fees due Sep 1 to 10, 2027 · next Sep 1
- 2 fees due Oct 12 to 26, 2027 · next Oct 12
Recent changes
- 1 of the patents on this record was granted 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 9,312,097 | Specimen holder used for mounting samples in electron microscopes In force · From the USPTO record | In force | From the USPTO record | |
| US 9,984,850 | Microscopy support structures In force · From the USPTO record | In force | From the USPTO record | |
| US 9,040,939 | Membrane Supports with Reinforcement Features In force · High confidence | In force | High confidence | |
| US 8,513,621 | Specimen holder used for mounting In force · From the USPTO record | In force | From the USPTO record | |
| US 8,853,646 | Specimen holder used for mounting samples in electron microscopes In force · From the USPTO record | In force | From the USPTO record | |
| US RE48,201 | Specimen holder used for mounting samples in electron microscopes In force · From the USPTO record | In force | From the USPTO record | |
| US 8,920,723 | Sample support structure and methods In force · From the USPTO record | In force | From the USPTO record | |
| US 8,872,129 | Microscopy support structures In force · From the USPTO record | In force | From the USPTO record | |
| US 9,048,065 | Methods of using temperature control devices in electron microscopy In force · From the USPTO record | In force | From the USPTO record | |
| US 8,466,432 | Sample holder providing interface to semiconductor device with high density connections In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 52: 1 patent in force now held by others · 1 lapsed for an unpaid fee · 1 surrendered on reissue. 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 · 5 no status recorded