USPTO Deadlines
Application History
8 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Nov 21, 2014 | ABN2 | O | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE | Loading... |
| Nov 21, 2014 | MAB2 | O | ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND | Loading... |
| Apr 25, 2014 | CNRT | R | NON-FINAL ACTION WRITTEN | Loading... |
| Apr 25, 2014 | GNRT | F | NON-FINAL ACTION E-MAILED | Loading... |
| Apr 25, 2014 | GNRN | O | NOTIFICATION OF NON-FINAL ACTION E-MAILED | Loading... |
| Apr 18, 2014 | DOCK | D | ASSIGNED TO EXAMINER | Loading... |
| Mar 18, 2014 | NWOS | I | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | Loading... |
| Mar 8, 2014 | NWAP | I | NEW APPLICATION ENTERED | Loading... |
Detailed Classifications
Class 006
Centralizer designed with a built-in stop collar and deflector blades used in the oil and gas industry to run on casing or a liner to direct fluid flow in a turbulent and outward directed spiral to ensure efficient placement of a cement sheath
First Use Anywhere:
Jan 1, 2002
First Use in Commerce:
Jan 1, 2002
Classification
International Classes
006