USPTO serial 72305075
SIGMA
Reviewed by CopyMark Law Group
Reg. 0915664Status 900
- Filing date
- Status date
- Registration date
- Jun 29, 1971
- 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 |
|---|---|---|---|
| 026 | DIGITAL DATA PROCESSING SYSTEMS AND SYSTEM UNITS, INCLUDING DIGITAL COMPUTERS, MEMORY UNITS, INPUT-OUTPUT PROCESSORS, INPUT-OUTPUT DEVICES, SYSTEMS INTERFACE UNITS, AND COMMUNICATION UNITS | EXPIRED | Sep 17, 1965 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Oct 17, 1990 | CANT | CANCELLATION TERMINATED NO. 999999 | — |
| Aug 22, 1989 | CAND | CANCELLATION DENIED NO. 999999 | — |
| Oct 31, 1986 | PETC | CANCELLATION INSTITUTED NO. 999999 | — |
| Feb 26, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |