Patent US3148642A successfully refreshed from Google Patents.
US3148642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil treating apparatus
Assignee: Shell USA Inc
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Filing: 1962-06-29
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Granted: 1964-09-15
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Lincoln E Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:31
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C23/023; A01C23/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN APPARATUS FOR INJECTING INTO THE GROUND AT A PLURALITY OF INJECTION POINTS A VOLATILE LIQUID CONTAINING DISSOLVED THEREIN A MATERIAL SUBJECT TO DEPOSITION UPON EVAPORATION OF SAID LIQUID, COMPRISING: A PRESSURE CYLINDER FOR STORING SAID VOLATILE LIQUID AND DISSOLVED MATERIAL UNDER PRESSURE, A VALVED SUPPLY CONDUIT CONNECTED TO A LOWER PART OF SAID CYLINDER FOR RECEIVING A SOLUTION OF SAID LIQUID AND MATERIAL, A METERING MEANS IN SAID CONDUIT FOR CONTROLLING THE FLOW OF SAID SOLUTION FROM SAID CYLINDER, A DISTRIBUTOR CONNECTED TO SAID METERING MEANS FOR CONDUCTING THE SOLUTION INTO A PLURALITY OF OUTLET PASSAGEWAYS, A PLURALITY OF SEPARATE CONDUITS CONNECTING SAID OUTLET PASSAGEWAYS TO DIFFERENT MEANS FOR INJECTING SAID SOLUTION INTO THE GROUND, A SECOND VALVED CONDUIT CONNECTED TO THE UPPER PART OF SAID CYLINDER AND JOINING SAID SUPPLY CONDUIT CLOSE TO SAID CYLINDER FOR RECEIVING VAPORIZED LIQUID FREE FROM SAID MATERIAL AND FLUSHING SAID VAPORIZED LIQUID THROUGH THE ELEMENTS DOWNSTREAM FROM THE POINT WHERE SAID SECOND VALVED CONDUIT AND SUPPLY CONDUIT ARE JOINED.
Claim 2
Independent Claim
167 words
AN APPARATUS FOR INJECTING INTO THE GROUND AT A PLURALITY OF INJECTION POINTS A VOLATILE LIQUID CONTAINING DISSOLVED THEREIN A MATERIAL SUBJECT TO DEPOSITION UPON EVAPORATION OF SAID LIQUID, COMPRISING: A PRESSURE CYLINDER FOR STORING SAID VOLATILE LIQUID AND DISSOLVED MATERIAL UNDER PRESSURE, A VALVED SUPPLY CONDUIT CONNECTED TO A LOWER PART OF SAID CYLINDER FOR RECEIVING A SOLUTION OF SAID LIQUID AND MATERIAL, A METERING MEANS IN SAID CONDUIT FOR CONTROLLING THE FLOW OF SAID SOLUTION FROM SAID CYLINDER, A DISTRIBUTOR CONNECTED TO SAID METERING MEANS FOR CONDUCTING THE SOLUTION INTO A PLURALITY OF OUTLET PASSAGEWAYS, A PLURALITY OF SEPARATE CONDUITS CONNECTING SAID OUTLET PASSAGEWAYS TO DIFFERENT MEANS FOR INJECTING SAID SOLUTION INTO THE GROUND, A SECOND VALVED CONDUIT CONNECTED TO THE UPPER PART OF SAID CYLINDER AND JOINING SAID SUPPLY CONDUIT CLOSE TO SAID CYLINDER FOR RECEIVING VAPORIZED LIQUID FREE FROM SAID MATERIAL AND FLUSHING SAID VAPORIZED LIQUID THROUGH THE ELEMENTS DOWNSTREAM FROM THE POINT WHERE SAID SECOND VALVED CONDUIT AND SUPPLY CONDUIT ARE JOINED.
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |