Term ends Jun 21, 2039 · Medium confidence
20-year base term ends Jun 21, 2039
Why Medium: A parent in the chain could not be resolved.
Held by Bissell Inc.
Filed Dec 11, 2020 as application 17/119,300 · Granted Aug 24, 2021
Base term, 20 years from filing
Today
2019
2039
Clock starts
Jun 21, 2019
Jun 21, 2019
Term ends
Jun 21, 2039
Jun 21, 2039
Granted
Aug 24, 2021
Aug 24, 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
8
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 20-year base term, with no adjustment for prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: Medium. 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 21, 2019, when application PCT/US2019/038423, the earliest non-provisional in its chain, was filed (this one was filed Dec 11, 2020); a parent in its chain could not be resolved (the next row) | Jun 21, 2039 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 21, 2039 | Medium confidence |
This family
| Application PCT/US2019/038423 | PCT application no patent term | no patent term |
| US 11,096,544 | this patent Jun 2039 | Jun 2039 |
| US 11,147,426 | Lapsed on the fee record Oct 2025 | Oct 2025 |
| US 10,973,383 | In force Jun 2039 | Jun 2039 |
| Application 17/228,232 | Abandoned not computed | not computed |
| US 12,213,633 | In force Jun 2039 | Jun 2039 |
| Application 17/488,406 | Abandoned not computed | not computed |
| Application 18/733,257 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Dec 11, 2020 Reel 54618, frame 260 | Nguyen, Tom Minh; Boles, Jake; Resch, Jacob; Wong, Ying Chun; Tang, Jian Hua; Wang, Yunfu | Bissell Homecare, Inc. | Assignment of Assignor's Interest |
| Dec 11, 2020 Reel 54618, frame 292 | Bissell Homecare, Inc. | Bissell Inc. | 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.
What's changing
Jun 2039
Term ends Jun 21, 2039. Maintenance fees still fall due before then
Citations
29
later US patents cite this one
That is top 5% 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.