Term ends Jul 1, 2038 · High confidence
20-year base term ends Jun 18, 2038
Held by Honeycomb Battery Company
Filed Sep 10, 2018 as application 16/126,745 · Granted Apr 13, 2021
Base term plus 13 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
Jun 18, 2018
Jun 18, 2018
Term ends
Jul 1, 2038
Jul 1, 2038
Granted
Apr 13, 2021
Apr 13, 2021
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
13
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,985,365, to Jul 1, 2038. The term already ends on or before that date, so the cap shortened nothing.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
9
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 13 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jun 18, 2018, when application 16/010,975, the earliest non-provisional in its chain, was filed (this one was filed Sep 10, 2018) | Jun 18, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +13 days, USPTO patent term adjustment record | Jul 1, 2038 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,985,365) | resolves to Jul 1, 2038, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 1, 2038 | High confidence |
This family
| US 10,854,927 | In force Jul 2038 | Jul 2038 |
| US 10,862,157 | In force Jul 2038 | Jul 2038 |
| US 10,957,912 | In force Sep 2038 | Sep 2038 |
| US 10,985,376 | In force Sep 2038 | Sep 2038 |
| US 10,985,365 | In force Jul 2038 | Jul 2038 |
| US 10,978,744 | this patent Jul 2038 | Jul 2038 |
| Application PCT/US2019/037700 | PCT application no patent term | no patent term |
| Application PCT/US2019/037692 | PCT application no patent term | no patent term |
8 of 9 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Oct 8, 2018 Reel 47090, frame 679 | Zhamu, Aruna; Jang, Bor Z; He, Hui | Nanotek Instruments, Inc. | Assignment of Assignor's Interest |
| Sep 20, 2019 Reel 50444, frame 315 | Nanotek Instruments, Inc. | Global Graphene Group, Inc. | Assignment of Assignor's Interest |
| Feb 28, 2024 Reel 66957, frame 745 | Global Graphene Group, Inc. | Honeycomb Battery Company | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2038
Term ends Jul 1, 2038. Maintenance fees still fall due before then
Note
The 13 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,985,365, ends no earlier than this term, so it caps nothing.
Citations
4
later US patents cite this one
That is above the median of utility patents granted in 2021 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.