Patent Application
Provisional
App. No. 60/894,121
· Confirmation No. 2929
DRILLING FLUID AND METHODS
Provisional Application Expired
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2007-03-23 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2007-03-09 | ADS |
Application Data Sheet | 4 | View | |
| 2007-03-09 | SPEC |
Specification | 20 | View | |
| 2007-03-09 | CLM |
Claims | 4 | View | |
| 2007-03-09 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2007-03-09 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View |
Inventors
STEFAN ALEXANDRU STOIAN
Calgary, CANADA
CARL KEITH SMITH
Calgary, CANADA
Attorneys & Agents of Record
Prosecution
- Customer No.
- 23971
- Docket No.
- 53989-3
- Confirmation No.
- 2929
Child
Claims priority from a provisional application
→
App. 14/826,012
Filed 2015-08-13
· Abandoned -- Failure to Respond to an Office Action
Child
Claims priority from a provisional application
→
App. 12/025,164
· US 7,989,399
Filed 2008-02-04
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 13/193,170
· US 8,338,340
Filed 2011-07-28
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 14/244,365
Filed 2014-04-03
· Abandoned -- Failure to Respond to an Office Action
Child
Claims priority from a provisional application
→
App. 13/171,273
· US 8,703,658
Filed 2011-06-28
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
No recorded assignments were found for this patent.
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- App. No.
- 60/894,121
- Filed
- 2007-03-09
External Links