US2525233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas and oil separator
Assignee: Individual
•
Filing: 1947-06-16
•
Granted: 1950-10-10
•
Expires: 1967-06-16
Abstract
No abstract record available.
Inventors
- 👤 Sidney A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:09
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A SELF-CONTAINED GAS AND OIL SEPARATOR ADAPTED FOR VERTICAL DISPLACEMENT IN AN OIL WELL CASING, A BODY ADAPTED TO BE CONECTED TO THE OIL-CONDUCTING TUBING BELOW THE NATURAL OIL LEVEL AND INCLUDING MEANS FORMING A CENTRAL ENTRANCE CHAMBER, MEANS INDEPENDENT OF ANY ENCLOSING OIL WELL CASING FORMING A SEPARATION CHAMBER POSITIONED AROUND AND CONNECTED AT ITS TOP TO SAID ENTRANCE CHAMBER, AND MEANS FORMING AN INNER CENTRAL CHAMBER ADAPTED TO RECEIVE A PUMP AND TO CONNECT TO OIL-CONDUCTING TUBING LEADING TO THE
Claim 2
Dependent Claim
83 words
IN A SELF-CONTAINED GAS AND OIL SEPARATOR ADAPTED FOR VERTICAL DISPLACEMENT IN AN OIL WELL CASING, A BODY ADAPTED TO BE CONECTED TO THE OIL-CONDUCTING TUBING BELOW THE NATURAL OIL LEVEL AND INCLUDING MEANS FORMING A CENTRAL ENTRANCE CHAMBER, MEANS INDEPENDENT OF ANY ENCLOSING OIL WELL CASING FORMING A SEPARATION CHAMBER POSITIONED AROUND AND CONNECTED AT ITS TOP TO SAID ENTRANCE CHAMBER, AND MEANS FORMING AN INNER CENTRAL CHAMBER ADAPTED TO RECEIVE A PUMP AND TO CONNECT TO OIL-CONDUCTING TUBING LEADING TO THE
References Cited (Backward Citations)
US1573051A
Cited
US1698444A
Cited
US1592079A
Cited
US2170881A
Cited
US2341359A
Cited
US2271832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |