USPTO serial 71613460
MEGA-NODE
Reviewed by CopyMark Law Group
Reg. 0578445Status 900
- Filing date
- Status date
- Registration date
- Aug 11, 1953
- Examiner
- —
- Law office
- —
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 026 | INSTRUMENT WHICH IS A CALIBRATED RANDOM NOISE SOURCE PROVIDING A SELECTION OF SEVERAL OUTPUT IMPEDANCES WITH A CHOICE OF EITHER BALANCED OR UNBALANCED OUTPUT AND THE INSTRUMENT MAY BE USED FOR THE MEASUREMENT OF NOISE POWER IN A PRACTICAL SYSTEM TO THE NOISE POWER IN AN IDEAL POWER IN AN IDEAL SYSTEM WHEREIN THIS RATIO IS USUALLY CALLED NOISE FIGURE, WHICH THE MEGANODE MEASURES DIRECTLY IN DECIBELS OR RECEIVER GAIN AND FOR THE INDIRECT CALIBRATION OF STANDARD SIGNAL SOURCES AND USES | EXPIRED | Apr 8, 1949 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| May 16, 1994 | EXRG | EXPIRED SEC. 9 | — |
| Aug 11, 1973 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |