Patent Application
Provisional
App. No. 62/652,364
· Confirmation No. 9131
DOWNHOLE PUMPS WITH OUTSIDE PRESSURE BALANCING AND SAND SEPARATION AND ISOLATION
Applicant:
HARBISON-FISCHER, INC.
Provisional Application Expired
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2018-04-06 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2018-04-04 | TR.PROV |
Provisional Cover Sheet (SB16) | 2 | View | |
| 2018-04-04 | SPEC |
Specification | 15 | View | |
| 2018-04-04 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2018-04-04 | ADS |
Application Data Sheet | 8 | View | |
| 2018-04-04 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2018-04-04 | N417 |
Electronic Filing System Acknowledgment Receipt | 3 | View |
Inventors
Attorneys & Agents of Record
Prosecution
- Customer No.
- 21000
- Docket No.
- 2250.08152 NP
- Confirmation No.
- 9131
Child
Claims priority from a provisional application
→
App. 16/802,365
· US 11,300,121
Filed 2020-02-26
· Patented Case
Child
Claims priority from a provisional application
→
App. 16/358,096
Filed 2019-03-19
· Abandoned -- Failure to Respond to an Office Action
Child
Claims priority from a provisional application
→
App. 16/375,607
Filed 2019-04-04
· Abandoned -- Incomplete Application (Pre-examination)
No recorded assignments were found for this patent.
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.
- 62/652,364
- Filed
- 2018-04-04
External Links