Legal Representation
Attorney
John H Weber
USPTO Deadlines
Application History
3 eventsDate | Code | Type | Description |
---|---|---|---|
Oct 26, 2001 | ABN1 | O | ABANDONMENT - EXPRESS MAILED |
May 29, 2001 | CNRT | F | NON-FINAL ACTION MAILED |
May 18, 2001 | DOCK | D | ASSIGNED TO EXAMINER |
Detailed Classifications
Class 011
Control unit for heating, ventilating and air conditioning systems to regulate the concentration of carbon dioxide by introducing fresh air into the system
First Use Anywhere:
Oct 14, 1991
First Use in Commerce:
Nov 1, 1991
Classification
International Classes
011
USPTO Documents
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