Lapsed Jul 16, 2023 on the fee record · High confidence
20-year base term ends Feb 6, 2037
First maintenance fee unpaid; grace period ended.
Held by Hellofactory Co., Ltd.
Filed Aug 17, 2018 as application 16/104,851 · Granted Jul 16, 2019
Base term, 20 years from filing
Today
Lapsed Jul 16, 2023
2017
2037
Clock starts
Feb 6, 2017
Feb 6, 2017
No longer in force
Jul 16, 2023
Jul 16, 2023
Granted
Jul 16, 2019
Jul 16, 2019
Term would have run to
Feb 6, 2037
Feb 6, 2037
base term
after the term ends
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Feb 6, 2037: its 20-year base term, with no adjustment for prosecution delay. 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 Feb 6, 2017, when application PCT/KR2017/001257, the earliest non-provisional in its chain, was filed (this one was filed Aug 17, 2018) | Feb 6, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Jul 16, 2023 | High confidence |
| Computed term end | The steps above, in order | Jul 16, 2023 | High confidence |
This family
| US 10,354,500 | this patent Jul 2023 | Jul 2023 |
| US 10,685,540 | In force no later than Feb 2037 | no later than Feb 2037 |
| US 11,004,314 | Lapsed on the fee record May 2025 | May 2025 |
| US 11,410,510 | Lapsed on the fee record Aug 2026 | Aug 2026 |
4 of 5 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 18, 2018 Reel 47218, frame 487 | Kim, Kyungmin; Kim, Hyun Jip | Hellofactory Co., Ltd. | 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.
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Alerts on its grants, lapses and transfers.
Citations
5
later US patents cite this one
That is above the median of utility patents granted in 2019 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.