Collateral for a security interest recorded Jun 30, 2023 (Piney Lake Opportunities Eci Master Fund LP).
Term ends Sep 3, 2029 · High confidence
20-year base term ends Jan 12, 2027
Held by Dayton Superior Corporation
Filed Feb 24, 2011 as application 13/033,967 · Granted Feb 17, 2015
Base term plus 965 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Jan 12, 2007
Jan 12, 2007
Term ends
Sep 3, 2029
Sep 3, 2029
Granted
Feb 17, 2015
Feb 17, 2015
base term
patent term adjustment
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
965
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
4
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 runs 965 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jan 12, 2007, when application 11/622,674, the earliest non-provisional in its chain, was filed (this one was filed Feb 24, 2011) | Jan 12, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +965 days, USPTO patent term adjustment record | Sep 3, 2029 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 3, 2029 | High confidence |
This family
| US 7,891,074 | In force Aug 2029 | Aug 2029 |
| US 7,963,392 | In force Oct 2029 | Oct 2029 |
| US 8,640,323 | In force Jul 2028 | Jul 2028 |
| US 8,955,679 | this patent Sep 2029 | Sep 2029 |
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 |
|---|---|---|---|
| Mar 2, 2011 Reel 25885, frame 220 | Kodi, Jon R. | Kodi Klip Corporation | Assignment of Assignor's Interest |
| Nov 15, 2013 Reel 31645, frame 388 | Kodi Klip Corporation | Solidus Company, L.p. | Security Agreement |
| Aug 11, 2016 Reel 39822, frame 621 | Solidus Company, L.p.; Kodi Klip Corporation | Kodi Klip, LLC | Assignment of Assignor's Interest |
| Sep 21, 2016 Reel 39819, frame 720 | Solidus Company, L.p. | Kodi Klip, LLC | Release of Security Interest |
| Apr 15, 2022 Reel 59611, frame 938 | Kodi Klip, LLC | Dayton Superior Corporation | Assignment of Assignor's Interest |
| Jun 30, 2023 Reel 64127, frame 821 | Dayton Superior Corporation | Piney Lake Opportunities Eci Master Fund LP | Security Interest |
| Jul 5, 2023 Reel 64206, frame 377 | Dayton Superior Corporation | Bank of America, N.A., as Agent | Assignment for Security - Patents |
| Aug 19, 2024 Reel 68327, frame 98 | Dayton Superior Corporation | Royal Bank of Canada | Security Interest |
| Aug 19, 2024 Reel 68327, frame 185 | Dayton Superior Corporation | Deutsche Bank AG New York Branch | Security 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.
What's changing
Sep 2029
Term ends Sep 3, 2029. No further fees fall due before then
Note
The 965 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is below the median of utility patents granted in 2015 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.