Systems and Methods for Determining Calibration Values for Atmospheric Sensors That Provide Measured Pressures Used for Estimating Altitudes of Mobile Devices
US 10,921,121 Lapsed on the fee recordLapsed Feb 16, 2025 on the fee record · High confidence
20-year base term ends Apr 10, 2039
First maintenance fee unpaid; grace period ended.
Apr 10, 2019
Feb 16, 2025
Feb 16, 2021
Jul 2, 2039
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 10, 2019, when this application, 16/380,107, was filed | Apr 10, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +83 days, USPTO patent term adjustment record | Jul 2, 2039 | 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 | 0 of 3 maintenance fees paid | lapsed Feb 16, 2025 | High confidence |
| Computed term end | The steps above, in order | Feb 16, 2025 | High confidence |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
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