Collateral for a security interest recorded Feb 21, 2012 (Wells Fargo Capital Finance, LLC).
Term ended Jul 17, 2026 · High confidence
Filed Jul 20, 2010 as application 29/366,124 · Granted Jul 17, 2012
Base term, 14 years from grant
Today
Term ended Jul 17, 2026
2012
2026
Clock starts
Jul 17, 2012
Jul 17, 2012
Term ended
Jul 17, 2026
Jul 17, 2026
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.
14 years from grant
Base term
No maintenance fees are payable on this kind of patent.
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 is its base term, 14 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, 14 years from grant | Granted Jul 17, 2012 | Jul 17, 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 |
| Computed term end | The steps above, in order | Jul 17, 2026 | High confidence |
This family
| US D663,858 | this patent Jul 2026 | Jul 2026 |
| US D671,657 | In force Nov 2026 | Nov 2026 |
| US D708,765 | In force Jul 2028 | Jul 2028 |
| US D685,502 | In force Jul 2027 | Jul 2027 |
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 |
|---|---|---|---|
| Aug 10, 2010 Reel 24815, frame 291 | Macdonald, Robert A. | Keystone Retaining Wall Systems, Inc. | Assignment of Assignor's Interest |
| Feb 3, 2012 Reel 27646, frame 388 | Keystone Retaining Wall Systems, Inc. | Keystone Retaining Wall Systems LLC | Certificate of Conversion |
| Feb 21, 2012 Reel 28014, frame 952 | Contech Engineered Solutions LLC; Contech Bridge Solutions LLC; Contech Stormwater Solutions LLC; Keystone Retaining Wall Systems LLC; CDS Technologies LLC; Contech Earth Stabilization Solutions LLC | Wells Fargo Capital Finance, LLC | Security Interest |
| Jun 18, 2013 Reel 30634, frame 40 | Keystone Retaining Wall Systems LLC; Contech Engineered Solutions LLC; Imbrium Systems LLC | Goldman Sachs Lending Partners LLC | Notice of Grant of Security Interest in Patents |
| Nov 28, 2016 Reel 40692, frame 55 | Goldman Sachs Lending Partners, LLC | Keystone Retaining Wall Systems LLC | Release of Security Interest |
| Dec 8, 2016 Reel 40852, frame 143 | Keystone Retaining Wall Systems LLC | Wells Fargo Bank, National Association, as Agent | Security Interest |
| Feb 10, 2025 Reel 70170, frame 919 | Best Block, LLC; Contech Engineered Solutions LLC; Custom Building Products, LLC; Forterra Concrete Products, LLC; Forterra Pipe & Precast, LLC; Keystone Retaining Wall Systems LLC; Pavestone, LLC; The Quikrete Companies, LLC; United States Pipe and Foundry Company, LLC; Usp Holdings, LLC | U.S. Bank Trust Company, National Association | Patent Security Agreement |
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.
Citations
37
later US patents cite this one
That is top 25% of design patents granted in 2012 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.