Patent Application
Provisional
App. No. 60/261,752
· Confirmation No. 4200
Expandable sand screen and methods for use
Provisional Application Expired
Inventors
Craig D. Johnson
Letchworth, UNITED KINGDOM
Patrick W. Bixenman
Houston, TX
Attorneys & Agents of Record
Prosecution
- Docket No.
- 68.0230
- Confirmation No.
- 4200
Child
Claims priority from a provisional application
→
App. 10/021,724
· US 6,695,054
Filed 2001-12-12
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 11/246,649
· US 7,156,180
Filed 2005-10-07
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 10/632,174
· US 7,168,485
Filed 2003-07-31
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 11/539,200
· US 8,474,526
Filed 2006-10-06
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 10/905,229
· US 7,131,494
Filed 2004-12-22
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 10/079,670
· US 6,848,510
Filed 2002-02-20
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-12-12
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Quick Facts
- App. No.
- 60/261,752
- Filed
- 2001-01-16
External Links