Patent Application
Provisional
App. No. 63/127,273
· Confirmation No. 4491
EMERGENCY CASING SLIP HANGER RETRIEVAL TOOL SYSTEM AND METHOD
Applicant:
Baker Hughes Oilfield Operations LLC
Provisional Application Expired
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2020-12-23 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2020-12-18 | PA.. |
Power of Attorney | 2 | View | |
| 2020-12-18 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2020-12-18 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View | |
| 2020-12-18 | ADS |
Application Data Sheet | 8 | View | |
| 2020-12-18 | TR.PROV |
Provisional Cover Sheet (SB16) | 4 | View | |
| 2020-12-18 | DRW |
Drawings-only black and white line drawings | 7 | View | |
| 2020-12-18 | SPEC |
Specification | 9 | View | |
| 2020-12-18 | CLM |
Claims | 2 | View |
Inventors
Samuel Cheng
Houston, TX
Eugene Borak
Houston, TX
Gajanan Hegde
Houston, TX
James Richeson
Houston, TX
Attorneys & Agents of Record
Prosecution
- Customer No.
- 132858
- Docket No.
- 751777.508574
- Confirmation No.
- 4491
Child
Claims priority from a provisional application
→
App. 18/591,940
· US 12,221,848
Filed 2024-02-29
· Patented Case
Child
Claims priority from a provisional application
→
App. 17/552,962
· US 11,939,832
Filed 2021-12-16
· Patented Case
Child
PCT
Claims priority from a provisional application
→
PCT/US2021/073008
Filed 2021-12-17
· RO PROCESSING COMPLETED-PLACED IN STORAGE
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2022-03-05
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.
- 63/127,273
- Filed
- 2020-12-18
External Links