USPTO serial 71306979
Reviewed by CopyMark Law Group
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 |
|---|---|---|---|
| 023 | COMBINATION PNEUMATIC AND SLUICE CONVEYORS AND CONVEYING SYSTEMS COMPRISING A SYSTEM OF PIPES FORMING A CONDUIT AND MECHANISM OPERABLE TO CREATE A SUCTION THROUGH THE PIPES AND TO PROVIDE A SLUICE FOR CONVEYING ASH AND SIMILAR COMMINUTED MATERIAL | EXPIRED | Oct 1, 1929 |
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 |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Mar 3, 1971 | REN2 | REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS) | — |