USPTO serial 72378478
EZ LOK
Reviewed by CopyMark Law Group
Reg. 0920047Status 900
- Filing date
- Status date
- Registration date
- Sep 14, 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 |
|---|---|---|---|
| 013 | CLAMPING OR MOVEMENT LIMITING DEVICE DESIGNED TO ENCIRCLE A TUBULAR MEMBER SUCH AS PIPE OR CASING; THE CLAMPS FUNCTION TO LIMIT LONGITUDINAL MOVEMENT OF AUXILIARY EQUIPMENT SUCH AS WALL CLEANERS, CENTRALIZERS AND CEMENT BASKETS WHERE SUCH AUXILIARY EQUIPMENT IS PLACED ON THE PIPE TO BE LOWERED INTO AN OIL OR GAS WELL | EXPIRED | Aug 23, 1965 |
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 |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Feb 28, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |