Patent Application
Provisional
Small
App. No. 61/308,144
· Confirmation No. 3488
Self-Toughened High-Strength Proppant And Methods Of Making Same
Provisional Application Expired
|
⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2010-03-22 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2010-02-25 | TR.PROV |
Provisional Cover Sheet (SB16) | 3 | View | |
| 2010-02-25 | SPEC |
Specification | 55 | View | |
| 2010-02-25 | CLM |
Claims | 20 | View | |
| 2010-02-25 | ABST |
Abstract | 1 | View | |
| 2010-02-25 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2010-02-25 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2010-02-25 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View |
Inventors
Christopher Y. Fang
Houston, TX
Yuming Xie
Houston, TX
Dilip K. Chatterjee
Houston, TX
Christopher E. Coker
Houston, TX
Attorneys & Agents of Record
Prosecution
- Customer No.
- 33432
- Docket No.
- 3150-041-01
- Confirmation No.
- 3488
Child
Claims priority from a provisional application
→
App. 13/009,917
· US 9,670,763
Filed 2011-01-20
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
PCT
Claims priority from a provisional application
→
PCT/US2011/021785
Filed 2011-01-20
· RO PROCESSING COMPLETED-PLACED IN STORAGE
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-07-23
NUNC PRO TUNC ASSIGNMENT
Recorded 2010-03-24
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2010-03-04
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Quick Facts
- App. No.
- 61/308,144
- Filed
- 2010-02-25
External Links