USPTO serial 72221979
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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| Class | Description | Status | First use |
|---|---|---|---|
| 026 | INSTRUMENT LANDING APPROACH SYSTEMS CAPABLE OF OPERATING THROUGH TOUCHDOWN FOR AIRCRAFT, PROVIDING AUTOMATIC OPERATION OF FLIGHT AND THROTTLE CONTROLS OF AIRCRAFT; AUTOMATIC FLIGHT CONTROL SYSTEMS; THROTTLE CONTROL APPARATUS; CONTROL SYSTEMS AND APPARATUS FOR AIRCRAFT WHICH ARE CONTROLLED BY RADIO SIGNALS; ELECTRIC, ROTARY AND LINEAR ACTUATOR AND POWER UNITS; FLIGHT DIRECTOR INDICATORS; REMOTELY CONTROLLED FLIGHT CONTROL APPARATUS OF THE TYPE IN WHICH TELEMETERING DEVICES ARE USED WITH OR WITHOUT MECHANICAL DEVICES FOR POSITIONING MOVABLE ELEMENTS FROM A DISTANCE; REMOTE INDICATING ARTIFICIAL HORIZON INSTRUMENTS FOR AIRCRAFT; REMOTE SLAVED DIRECTION INDICATING INSTRUMENTS FOR AIRCRAFT; LINEAR ACTUATORS IN THE FORM OF A ROTARY DRIVE MECHANISM AND A TRANSMISSION FOR CONVERTING THE ROTARY MOTION TO LINEAR MOTION; SERVO ACTUATORS WHICH EMPLOY A POWER SOURCE AND A CLUTCH OR CLUTCHES FOR SELECTIVELY COUPLING A POWER SOURCE TO ONE OR MORE DRIVEN MEMBERS | EXPIRED | Mar 17, 1965 |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 25, 1986 | EXRG | EXPIRED SEC. 9 | — |