Arelac, Inc.
8 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
34
Ending by 2030
May 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 4 fees due Dec 6 to 23, 2026 · next Dec 6
- 1 fee due Jan 11, 2027The maintenance fee for Methods and systems for treatment of limestone to form vaterite (US 11,697,598) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
- 2 fees due Mar 15 to 22, 2027 · next Mar 15
- 1 fee due Aug 16, 2027The maintenance fee for Methods and systems for utilizing waste sources of metal oxides (US 9,260,314) comes due Aug 16, 2027. Unpaid by Feb 16, 2028, it lapses early.
- 1 fee due Sep 26, 2027The maintenance fee for Methods and Systems for Utilizing Calcium Compound from Calcined Limestone (US 11,939,227) comes due Sep 26, 2027. Unpaid by Mar 27, 2028, it lapses early.
- 1 fee due Oct 2, 2027The maintenance fee for Compositions, Methods, and Systems Related to Multi-Modal Distribution of Vaterite Particles (US 11,945,758) comes due Oct 2, 2027. Unpaid by Apr 3, 2028, it lapses early.
Recent changes
- 2 of the patents on this record were granted since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,906,028 | Hydraulic cements comprising carbonate compound compositions In force · From the USPTO record | In force | From the USPTO record | |
| US 7,753,618 | Rocks and aggregate, and methods of making and using the same In force · From the USPTO record | In force | From the USPTO record | |
| US 7,914,685 | Rocks and aggregate, and methods of making and using the same In force · From the USPTO record | In force | From the USPTO record | |
| US 7,931,809 | Desalination Methods and Systems That Include Carbonate Compound Precipitation In force · Medium confidence | In force | Medium confidence | |
| US 7,939,336 | Compositions and methods using substances containing carbon In force · From the USPTO record | In force | From the USPTO record | |
| US 7,744,761 | Desalination Methods and Systems That Include Carbonate Compound Precipitation In force · Medium confidence | In force | Medium confidence | |
| US 7,922,809 | Methods and Compositions Using Calcium Carbonate In force · Medium confidence | In force | Medium confidence | |
| US 8,062,418 | Methods and Compositions Using Calcium Carbonate In force · High confidence | In force | High confidence | |
| US 8,114,214 | Methods and Compositions Using Calcium Carbonate In force · High confidence | In force | High confidence | |
| US 9,061,940 | Concrete Compositions and Methods In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 56: 8 patents in force now held by others. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
5 pending · 1 no status recorded