Term ends Aug 4, 2035 · High confidence
Filed Sep 26, 2019 as application 29/707,156 · Granted Aug 4, 2020
Base term, 15 years from grant
Today
2020
2035
Clock starts
Aug 4, 2020
Aug 4, 2020
Term ends
Aug 4, 2035
Aug 4, 2035
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
15 years from grant
Base term
No maintenance fees are payable on this kind of patent.
5
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 is its base term, 15 years from grant, with no adjustment for prosecution delay. No maintenance fees are payable on this kind of patent. 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, 15 years from grant | Granted Aug 4, 2020 | Aug 4, 2035 | 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 |
| Computed term end | The steps above, in order | Aug 4, 2035 | High confidence |
This family
| US D871,812 | In force Jan 2035 | Jan 2035 |
| US D891,841 | this patent Aug 2035 | Aug 2035 |
| US D884,401 | In force May 2035 | May 2035 |
| US D889,892 | In force Jul 2035 | Jul 2035 |
| US D892,524 | In force Aug 2035 | Aug 2035 |
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 |
|---|---|---|---|
| Sep 26, 2019 reel/frame not recorded | Chen, Shan-yao; Chiu, Ching-fu; Huang, Ci-bin; Huang, Shih-lung; Lin, Shu-chen; Su, Fang-cheng | King Slide Works Co., Ltd. | Assignment of Assignor's Interest |
| Sep 26, 2019 reel/frame not recorded | Chen, Shan-yao; Chiu, Ching-fu; Huang, Ci-bin; Huang, Shih-lung; Lin, Shu-chen; Su, Fang-cheng | King Slide Technology Co., Ltd. | Assignment of Assignor's Interest |
| Sep 26, 2019 Reel 50503, frame 613 | Su, Fang-cheng; Huang, Ci-bin; Huang, Shih-lung; Chen, Shan-yao; Chiu, Ching-fu; Lin, Shu-chen | King Slide Works Co., Ltd.; King Slide Technology 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
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
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Alerts on its grants, lapses and transfers.
What's changing
Aug 2035
Term ends Aug 4, 2035. No maintenance fees are payable on this kind of patent
Citations
2
later US patents cite this one
That is below the median of design patents granted in 2020 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.