US3104716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joseph a
Assignee: —
•
Filing: —
•
Granted: 1963-09-24
•
Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:50
CPC Classifications
E; E21; E21B; E21B27/00; E21B27/02; E21B41/00; E21B41/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A DEVICE FOR EJECTING TREATING LIQUIDS FOR TREATING SUBSURFACE BOREHOLE EQUIPMENT COMPRISING: A CONTAINER FOR ENCLOSING TREATING LIQUID OF LOWER DENSITY THAN WATER; A CYLINDRICAL SUPPORT EXTENDING INWARDLY FROM AN EDGE OF THE CONTAINER AND HAVING A WATER EJECTION PORT IN THE TOP THEREOF; A WATER-WET LIQUID PERMEABLE DISC COAXIALLY MOUNTED WITHIN THE SUPPORT AND SERVING AS A WATER INLET; A BAFFLE EXTENDING DOWNWARDLY FROM THE TOP OF THE SUPPORT AND WITHIN THE SUPPORT, SAID BAFFLE BEING POSITIONED BETWEEN SAID LIQUID PERMEABLE DISC AND THE WATER EJECTION PORT; TUBULAR MEANS ADAPTED TO PROVIDE WATER COM-P MUNICATION BETWEEN SAID CYLINDRICAL SUPPORT AND THE OUTSIDE OF SAID CONTAINER; AND AN OIL-WET LIQUID PERMEABLE MEMBER MOUNTED IN THE TOP OF THE CONTAINER AND PROVIDING AN OUTLET FOR THE TREATING LIQUID DISPLACED BY THE WATER.
Claim 2
Independent Claim
131 words
A DEVICE FOR EJECTING TREATING LIQUIDS FOR TREATING SUBSURFACE BOREHOLE EQUIPMENT COMPRISING: A CONTAINER FOR ENCLOSING TREATING LIQUID OF LOWER DENSITY THAN WATER; A CYLINDRICAL SUPPORT EXTENDING INWARDLY FROM AN EDGE OF THE CONTAINER AND HAVING A WATER EJECTION PORT IN THE TOP THEREOF; A WATER-WET LIQUID PERMEABLE DISC COAXIALLY MOUNTED WITHIN THE SUPPORT AND SERVING AS A WATER INLET; A BAFFLE EXTENDING DOWNWARDLY FROM THE TOP OF THE SUPPORT AND WITHIN THE SUPPORT, SAID BAFFLE BEING POSITIONED BETWEEN SAID LIQUID PERMEABLE DISC AND THE WATER EJECTION PORT; TUBULAR MEANS ADAPTED TO PROVIDE WATER COM-P MUNICATION BETWEEN SAID CYLINDRICAL SUPPORT AND THE OUTSIDE OF SAID CONTAINER; AND AN OIL-WET LIQUID PERMEABLE MEMBER MOUNTED IN THE TOP OF THE CONTAINER AND PROVIDING AN OUTLET FOR THE TREATING LIQUID DISPLACED BY THE WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |