Patent US3106526A successfully refreshed from Google Patents.
US3106526A
Expired / Lapsed
US
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Sand and gas deflector for oil well pumps
Assignee: Individual
•
Filing: 1960-09-22
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Granted: 1963-10-08
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:50
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/38; E21B43/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A SAND AND GAS DEFLECTOR FOR OIL WILL PUMPS, AN UPRIGHT TUBE HAVING GROUPS OF INTAKE APERTURES SPACED APART ALONG THE LENGTH THEREOF WITH THE APERTURES OF THE SEVERAL GROUPS OF GRADUALLY DECREASING DIAMETERS PROGRESSIVELY FROM THE LOWERMOST GROUP TO THE UPPERMOST GROUP THEREOF; AN ANNULAR HOLLOW BAFFLE ENCOMPASSING EACH OF SAID GROUPS OF APERTURES EMBODYING A CHAMBER FROM WHICH THE EMCOMPASSED APERTURES LEAD, SAID BAFFLES EACH EMBODYING A DOWNWARDLY TAPERD CLOSED GAS DEFLECTING LOWER END AFFIXED TO AND CLOSED BY SAID TUBE AND HAVING AN UPWARDLY TAPERED SAND DEFLECTING UPPER END OPENING AROUND SAID TUBE.
Claim 2
Dependent Claim
97 words
IN A SAND AND GAS DEFLECTOR FOR OIL WILL PUMPS, AN UPRIGHT TUBE HAVING GROUPS OF INTAKE APERTURES SPACED APART ALONG THE LENGTH THEREOF WITH THE APERTURES OF THE SEVERAL GROUPS OF GRADUALLY DECREASING DIAMETERS PROGRESSIVELY FROM THE LOWERMOST GROUP TO THE UPPERMOST GROUP THEREOF; AN ANNULAR HOLLOW BAFFLE ENCOMPASSING EACH OF SAID GROUPS OF APERTURES EMBODYING A CHAMBER FROM WHICH THE EMCOMPASSED APERTURES LEAD, SAID BAFFLES EACH EMBODYING A DOWNWARDLY TAPERD CLOSED GAS DEFLECTING LOWER END AFFIXED TO AND CLOSED BY SAID TUBE AND HAVING AN UPWARDLY TAPERED SAND DEFLECTING UPPER END OPENING AROUND SAID TUBE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |