US3184901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous concentration and separation apparatus
Assignee: Laboratory For Electronics Inc
•
Filing: 1959-12-08
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Granted: 1965-05-25
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Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 Robert M Main
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:23
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/02; B03C3/04; B03C3/12; Y; Y10; Y10S; Y10S55/00; Y10S55/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
APPARATUS FOR SELECTIVELY REMOVING A FIRST GAS ADMIXED WITHIN A STREAM OF A SECOND BASE GAS FLOWING WITHIN A CONDUIT COMPRISING, AN OUTLET FORMED WITH AN ORIFICE WITHIN SAID CONDUIT AND ADAPTED TO WITHDRAW GAS IN THE VICINITY OF SAID CONDUIT FROM SAID STREAM, MEANS INCLUDING SAID OUTLET IN THE REGION OF SAID ORIFICE FOR ESTABLISHING AN ELECTROSTATIC FIELD EXTENDING SUBSTANTIALLY AXIALLY UPSTREAM WITHIN SAID CONDUIT, MEANS FOR PREFERENTIALLY IONIZING ONE OF SAID FIRST AND SECOND GASES UPSTREAM OF SAID ORIFICE, SAID ELECTROSTATIC FIELD BEING OF INTENSITY AND CONFIGURATION WHEREBY SAID IONIZED GAS IS SUBSTANTIALLY SEGREGATED FROM THE REMAINER OF GAS IN SAID STREAM IN THE REGION OF SAID ORIFICE.
References Cited (Backward Citations)
US1628906A
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GB309149A
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US2180804A
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US2197864A
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DE878634C
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US2594805A
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US2593869A
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US2761975A
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US2950387A
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |