Lapsed Oct 19, 2025 on the fee record · Medium confidence
20-year base term ends Jun 21, 2039
Why Medium: A parent in the chain could not be resolved.
First maintenance fee unpaid; grace period ended.
Held by Bissell Inc.
Filed Dec 15, 2020 as application 17/122,690 · Granted Oct 19, 2021
Base term, 20 years from filing
Today
Lapsed Oct 19, 2025
2019
2039
Clock starts
Jun 21, 2019
Jun 21, 2019
No longer in force
Oct 19, 2025
Oct 19, 2025
Granted
Oct 19, 2021
Oct 19, 2021
Term would have run to
Jun 21, 2039
Jun 21, 2039
base term
after the term ends
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.
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.
8
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 Jun 21, 2039: its 20-year base term, with no adjustment for prosecution delay. 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 15, 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 | 0 of 3 maintenance fees paid | lapsed Oct 19, 2025 | High confidence |
| Computed term end | The steps above, in order | Oct 19, 2025 | Medium confidence |
This family
| Application PCT/US2019/038423 | PCT application no patent term | no patent term |
| US 11,096,544 | In force Jun 2039 | Jun 2039 |
| US 11,147,426 | this patent 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 15, 2020 Reel 54655, frame 795 | Nguyen, Tom Minh; Boles, Jake; Resch, Jacob; Wong, Ying Chun; Tang, Jian Hua; Wang, Yunfu | Bissell Homecare, Inc. | Assignment of Assignor's Interest |
| Dec 15, 2020 Reel 54655, frame 886 | 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.
Citations
14
later US patents cite this one
That is top 25% 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.