Patent Application
Provisional
Small
App. No. 61/435,938
· Confirmation No. 8217
Extrusion Process For Proppant Production
Provisional Application Expired
|
⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2011-02-22 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2011-01-25 | TR.PROV |
Provisional Cover Sheet (SB16) | 3 | View | |
| 2011-01-25 | SPEC |
Specification | 36 | View | |
| 2011-01-25 | CLM |
Claims | 8 | View | |
| 2011-01-25 | ABST |
Abstract | 1 | View | |
| 2011-01-25 | DRW |
Drawings-only black and white line drawings | 4 | View | |
| 2011-01-25 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2011-01-25 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View |
Inventors
Dilip K. Chatterjee
Houston, TX
Shanghua Wu
Houston, TX
Yuming Xie
Houston, TX
Christopher E. Coker
Houston, TX
Attorneys & Agents of Record
Prosecution
- Customer No.
- 33432
- Docket No.
- 3150-060
- Confirmation No.
- 8217
Child
Claims priority from a provisional application
→
App. 13/355,606
· US 9,227,874
Filed 2012-01-23
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 14/951,158
· US 9,862,879
Filed 2015-11-24
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
PCT
Claims priority from a provisional application
→
PCT/US2012/022147
Filed 2012-01-23
· RO PROCESSING COMPLETED-PLACED IN STORAGE
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-07-23
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-03-04
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Quick Facts
- App. No.
- 61/435,938
- Filed
- 2011-01-25
External Links