Status report
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The official USPTO status record for CROSSFLOW EXPANDER, serial 77639506, as a dated PDF. One price, one document, delivered in about a minute.
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Trademark Status Report
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The USPTO's own status record for this mark, on one dated page.
- Current status with a plain-English verdict
- Owner, classes, filing basis, and every key date
- The mark as it appears on the federal record
- Every prosecution event, filing to today
- Source-cited with the exact retrieval date
Built from the USPTO's TSDR record. Assignment chain of title and TTAB proceeding files sit in separate USPTO systems and are not included.
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◆ TRADEMARKCHECKER.AITRADEMARK STATUS REPORT
CROSSFLOW EXPANDERSerial 77639506 · Principal Register
Dead · Refused
Owner: Ebara International Corporation
Class 007 -
Filed Dec 23, 2008
The record shows that the mark “CROSSFLOW EXPANDER” is dead, having been abandoned because the applicant did not respond to an Office action. The owner listed is Ebara International Corporation, a Delaware corporation, and the mark was filed on December 23, 2008 under an intent‑to‑use basis for the class 007 goods of fluid‑driven electric power generators. Because the mark is no longer active, it does not give the owner control over every use of the wording, but it does indicate that a similar name could raise concern for the same type of equipment. The prosecution history shows a non‑final action and an amendment before abandonment, but no supplemental register status. The latest event is the abandonment notice on April 23, 2010, and no enforcement activity appears in the supplied history. For someone thinking of a similar name, the closest record‑based concern lies in the fluid‑driven electric power generator market, and the abandoned status suggests the risk is lower but not eliminated.
Full event history, owner details, and verdict inside.
The way I'd use it, honestly, is as the thing you attach when a bank, a marketplace, or a co-founder asks "are we clear on the name". It answers in one page.