Patent Application
Provisional
Small
App. No. 60/834,864
· Confirmation No. 9037
Rotary seal arrangement for drill bits
Provisional Application Expired
Inventors
Michael Burl Crawford
Fort Worth, TX
Pele' Jason Nunley
Fort Worth, TX
Richard August Flak
Fort Worth, TX
Attorneys & Agents of Record
Prosecution
- Docket No.
- 45875-P015V1
- Confirmation No.
- 9037
Child
PCT
Claims priority from a provisional application
→
PCT/US2007/075105
Filed 2007-08-02
· RO PROCESSING COMPLETED-PLACED IN STORAGE
Child
Claims priority from a provisional application
→
App. 12/307,820
· US 8,448,723
Filed 2009-12-07
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
RELEASE OF SECURITY INTEREST
Recorded 2011-06-13
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-02-16
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2009-07-06
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2009-04-07
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2008-02-28
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.
- 60/834,864
- Filed
- 2006-08-02
External Links