Lapsed Jun 26, 2015 on the fee record · High confidence
20-year base term ended Feb 8, 2026
Second maintenance fee unpaid; grace period ended.
Held by Lotes Co., Ltd.
Filed Feb 8, 2006 as application 11/349,228 · Granted Jun 26, 2007
Base term, 20 years from filing
Today
Lapsed Jun 26, 2015
2006
2026
Clock starts
Feb 8, 2006
Feb 8, 2006
No longer in force
Jun 26, 2015
Jun 26, 2015
Granted
Jun 26, 2007
Jun 26, 2007
Term would have run to
Feb 8, 2026
Feb 8, 2026
base term
after the term ends
fee events
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.
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.
24
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 8, 2026: 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 8, 2006, when this application, 11/349,228, was filed | Feb 8, 2026 | 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 | 1 of 3 maintenance fees paid | lapsed Jun 26, 2015 | High confidence |
| Computed term end | The steps above, in order | Jun 26, 2015 | High confidence |
This family
| US 7,134,897 | Lapsed on the fee record Nov 2014 | Nov 2014 |
| US 7,195,508 | Term ended Sep 2025 | Sep 2025 |
| US 7,147,478 | Term ended Sep 2025 | Sep 2025 |
| US 7,059,886 | Lapsed on the fee record Jun 2014 | Jun 2014 |
| US 7,261,568 | Term ended Nov 2025 | Nov 2025 |
| US 7,270,549 | Term ended Nov 2025 | Nov 2025 |
| US 7,201,584 | Lapsed on the fee record Apr 2015 | Apr 2015 |
| US 7,234,955 | this patent Jun 2015 | Jun 2015 |
8 of 24 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 |
|---|---|---|---|
| Feb 8, 2006 Reel 17551, frame 75 | Ho, Chien-chih | Lotes 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2007 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.