Term ends Feb 20, 2039 · High confidence
Held by Pavestone, LLC
Filed Jul 14, 2021 as application 29/799,372 · Granted Feb 20, 2024
Base term, 15 years from grant
Today
2024
2039
Clock starts
Feb 20, 2024
Feb 20, 2024
Term ends
Feb 20, 2039
Feb 20, 2039
base term
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.
15 years from grant
Base term
No maintenance fees are payable on this kind of patent.
3
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, 15 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, 15 years from grant | Granted Feb 20, 2024 | Feb 20, 2039 | 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 | Feb 20, 2039 | High confidence |
This family
| US D1,015,573 | this patent Feb 2039 | Feb 2039 |
| Application 17/545,435 | Abandoned not computed | not computed |
| US D1,101,202 | In force Nov 2040 | Nov 2040 |
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 |
|---|---|---|---|
| Jul 14, 2021 Reel 56848, frame 928 | Karau, William H. | Pavestone, LLC | Assignment of Assignor's Interest |
| Mar 18, 2022 Reel 59314, frame 234 | Pavestone, LLC | Wells Fargo Bank, N.A., as Agent | Security Interest |
| Mar 23, 2022 Reel 59479, frame 437 | United States Pipe and Foundry Company, LLC; Griffin Pipe Products Co., LLC; Custom Fab, Inc.; Bio Clean Environmental Services, Inc.; Modular Wetland Systems, Inc.; Forterra Pipe & Precast, LLC; Forterra Concrete Products, Inc.; Forterra Precast Concepts, LLC; Best Block, LLC; Pavestone, LLC; Contech Engineered Solutions LLC; Keystone Retaining Wall Systems LLC | Wells Fargo Bank, National Association, as Agent | Patent Security Agreement (ABL) |
| Feb 10, 2025 Reel 70168, frame 221 | Pavestone, LLC | Wells Fargo Bank, National Association | 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 |
| Feb 12, 2025 Reel 70203, frame 158 | Summit Materials, Inc.; Contech Engineered Solutions LLC; Keystone Retaining Wall Systems LLC; Pavestone, LLC; United States Pipe and Foundry Company LLC | Wells Fargo Bank, National Association, as Agent | Patent Security Agreement |
| Jul 15, 2025 Reel 71931, frame 588 | Pavestone, LLC | Pavestone, LLC | Entity Conversion - De to Ga |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2039
Term ends Feb 20, 2039. No maintenance fees are payable on this kind of patent
Citations
6
later US patents cite this one
That is top 25% of design patents granted in 2024 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.