Patent US3309148A successfully refreshed from Google Patents.
US3309148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination vacuum-pressure, particulate material conveying and blending system
Assignee: Halliburton Co
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Filing: 1966-02-25
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Granted: 1967-03-14
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Lee N Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:23
CPC Classifications
B; B65; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
AN APPARATUS FOR HANDLING PARTICULATE MATERIAL, SAID APPARATUS COMPRISING: CLOSED RECEPTACLE MEANS; GAS PUMP MEANS; FIRST CONDUIT MEANS ADAPTED TO DISCHARGE PARTICULATE MATERIAL FROM THE INTERIOR OF SAID RECEPTACLE MEANS; SECOND CONDUIT MEANS ADAPTED TO SUPPLY PARTICULATE MATERIAL TO THE INTERIOR OF SAID RECEPTACLE MEANS; PRESSURIZING MEANS WITHIN SAID RECEPTACLE MEANS FOR DISCHARGING PRESSURIZED GAS THEREINTO; A FIRST FILTER CARRIED BY AND ON TOP OF SAID RECEPTACLE MEANS; A SECOND FILTER; THIRD CONDUIT MEANS CONNECTED WITH SAID FIRST FILTER AND ADAPTED TO PROVIDE COMMUNICATION WITH THE ATMOSPHERE; FOURTH CONDUIT MEANS CONNECTED WITH SAID GAS PUMP MEANS SO AS TO RECEIVE THE DISCHARGE THEREOF AND ADDITIONALLY CONNECTED WITH SAID PRESSURIZING MEANS SO AS TO CONVEY GAS DISCHARGED FROM SAID PUMP MEANS TO SAID PRESSURIZING MEANS; FIFTH CONDUIT MEANS COMMUNICATING WITH SAID FOURTH CONDUIT MEANS AND ADAPTED TO PROVIDE COMMUNICATION WITH THE ATMOSPHERE; SIXTH CONDUIT MEANS EXTENDING FROM SAID RECEPTACLE MEANS TO SAID FIRST FILTER; ADDITIONAL CONDUIT MEANS IN CONSECUTIVE GAS TRANSMITTING COMMUNICATION WITH THE INTAKE OF SAID GAS PUMP MEANS, SAID SECOND FILTER, AND SAID FIRST FILTER; FIRST VALVE MEANS IN SAID FIRST CONDUIT MEANS; SECOND VALVE MEANS IN SAID SECOND CONDUIT MEANS; THIRD VALVE MEANS IN SAID THIRD CONDUIT MEANS; FOURTH VALVE MEANS IN SAID FOURTH CONDUIT MEANS; FIFTH VALVE MEANS IN SAID FIFTH CONDUIT MEANS; AND SIXTH VALVE MEANS IN SAID SIXTH CONDUIT MEANS.
Claim 2
Independent Claim
225 words
AN APPARATUS FOR HANDLING PARTICULATE MATERIAL, SAID APPARATUS COMPRISING: CLOSED RECEPTACLE MEANS; GAS PUMP MEANS; FIRST CONDUIT MEANS ADAPTED TO DISCHARGE PARTICULATE MATERIAL FROM THE INTERIOR OF SAID RECEPTACLE MEANS; SECOND CONDUIT MEANS ADAPTED TO SUPPLY PARTICULATE MATERIAL TO THE INTERIOR OF SAID RECEPTACLE MEANS; PRESSURIZING MEANS WITHIN SAID RECEPTACLE MEANS FOR DISCHARGING PRESSURIZED GAS THEREINTO; A FIRST FILTER CARRIED BY AND ON TOP OF SAID RECEPTACLE MEANS; A SECOND FILTER; THIRD CONDUIT MEANS CONNECTED WITH SAID FIRST FILTER AND ADAPTED TO PROVIDE COMMUNICATION WITH THE ATMOSPHERE; FOURTH CONDUIT MEANS CONNECTED WITH SAID GAS PUMP MEANS SO AS TO RECEIVE THE DISCHARGE THEREOF AND ADDITIONALLY CONNECTED WITH SAID PRESSURIZING MEANS SO AS TO CONVEY GAS DISCHARGED FROM SAID PUMP MEANS TO SAID PRESSURIZING MEANS; FIFTH CONDUIT MEANS COMMUNICATING WITH SAID FOURTH CONDUIT MEANS AND ADAPTED TO PROVIDE COMMUNICATION WITH THE ATMOSPHERE; SIXTH CONDUIT MEANS EXTENDING FROM SAID RECEPTACLE MEANS TO SAID FIRST FILTER; ADDITIONAL CONDUIT MEANS IN CONSECUTIVE GAS TRANSMITTING COMMUNICATION WITH THE INTAKE OF SAID GAS PUMP MEANS, SAID SECOND FILTER, AND SAID FIRST FILTER; FIRST VALVE MEANS IN SAID FIRST CONDUIT MEANS; SECOND VALVE MEANS IN SAID SECOND CONDUIT MEANS; THIRD VALVE MEANS IN SAID THIRD CONDUIT MEANS; FOURTH VALVE MEANS IN SAID FOURTH CONDUIT MEANS; FIFTH VALVE MEANS IN SAID FIFTH CONDUIT MEANS; AND SIXTH VALVE MEANS IN SAID SIXTH CONDUIT MEANS.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |