Fluidic Oscillator for Thick/Three-Dimensional Spray Applications
US 7,478,764 Term endedTerm ended Mar 21, 2026 · Medium confidence
20-year base term ended Sep 20, 2025
Why Medium: No fee event states this; the fee state is read from the payments the fee record holds.
Sep 20, 2005
Mar 21, 2026
Jan 20, 2009
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 20, 2005, when this application, 11/230,948, was filed | Sep 20, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +182 days, USPTO patent term adjustment record | Mar 21, 2026 | 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 | No fee event states this; the fee state is read from the payments the fee record holds | term ended | Medium confidence |
| Computed term end | The steps above, in order | Mar 21, 2026 | Medium confidence |
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.
Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.
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.