USPTO serial 72136208
BIOFILM
Reviewed by CopyMark Law Group
Reg. 0742436Status 900
- Filing date
- Status date
- Registration date
- Dec 18, 1962
- Examiner
- —
- Law office
- FILE DESTROYED
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 |
|---|---|---|---|
| 044 | SEMIPERMEABLE FLUOROCARBON RESIN MEMBRANES USED IN HEART-LUNG MEDICAL APPARATUS | EXPIRED | Dec 31, 1960 |
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 |
|---|---|---|---|
| Feb 1, 1988 | EXRG | EXPIRED SEC. 9 | — |