USPTO serial 72229053
CALCUFRAME
Reviewed by CopyMark Law Group
Reg. 0818610Status 900
- Filing date
- Status date
- Registration date
- Nov 15, 1966
- 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 |
|---|---|---|---|
| 022 | AN ABACUS-TYPE EDUCATIONAL DEVICE AND ACCESSORIES FOR VISUALLY DEMONSTRATING AND TEACHING THE FACTS OF TEN AND THE PRINCIPLES OF ADDITION, MULTIPLICATION, SUBTRACTION, AND DIVISION | EXPIRED | Feb 3, 1964 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Feb 15, 1987 | EXRG | EXPIRED SEC. 9 | — |