ENVIRONMENTAL TECTONICS CORP Expired Patents
1 granted patents the USPTO lists as expired; the status gives the reason, newest filing first, as the USPTO Open Data Portal records them; the company is the first-named applicant. The application number opens the full record at Patent Center.
- 2015-12-28: Application 14981718; Invention AIRCRAFT-VISION SYSTEMS AND METHODS FOR MAINTAINING SITUATIONAL AWARENESS AND SPATIAL ORIENTATION; Applicant Environmental Tectonics Corporation; Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362.
| Filed | Application | Invention | Applicant | Status | Granted | Patent | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|---|---|
| 2015-12-28 | 14981718 | AIRCRAFT-VISION SYSTEMS AND METHODS FOR MAINTAINING SITUATIONAL AWARENESS AND SPATIAL ORIENTATION | Environmental Tectonics Corporation | Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 | 2018-08-21 | 10053226 | US20160272340A1 | Richard A. Leland | United States | MOYER, DALE S |