US3364296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam furnace
Assignee: Airco Inc
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Filing: 1966-07-26
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Granted: 1968-01-16
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Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:43
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/30; H01J37/305; C; C22; C22B; C22B9/00; C22B9/16; C22B9/22; C22B9/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN ELECTRON BEAM FURNACE FOR THE PRODUCTION OF HIGHLY PURIFIED METALS COMPRISING, A VACUUM TIGHT HOUSING, MEANS CREATING A VACUUM WITHIN SAID HOUSING, A HEARTH WITHIN SAID HOUSING, MEANS FOR ADMITTING RAW MATERIALS INTO SAID HEARTH, AN ENCLOSURE HAVING AN EXIT THEREIN SURROUNDING SAID HEARTH, ELECTRON BEAM HEATING MEANS DISPOSED WITHIN SAID HOUSING ADJACENT SAID EXIT, SAID ELECTRON BEAM HEATING MEANS ADAPTED TO PROJECT A BEAM OF ELECTRONS THROUGH SAID EXIT AND ONTO SAID HEARTH, A CONDENSER POSITIONED ADJACENT SAID EXIT FOR CONDENSING METAL VAPORS, SAID EXIT BEING POSITIONED IN SAID ENCLOSURE OUT OF THE LINE OF SIGHT OF SAID HEARTH.
Claim 2
Dependent Claim
101 words
AN ELECTRON BEAM FURNACE FOR THE PRODUCTION OF HIGHLY PURIFIED METALS COMPRISING, A VACUUM TIGHT HOUSING, MEANS CREATING A VACUUM WITHIN SAID HOUSING, A HEARTH WITHIN SAID HOUSING, MEANS FOR ADMITTING RAW MATERIALS INTO SAID HEARTH, AN ENCLOSURE HAVING AN EXIT THEREIN SURROUNDING SAID HEARTH, ELECTRON BEAM HEATING MEANS DISPOSED WITHIN SAID HOUSING ADJACENT SAID EXIT, SAID ELECTRON BEAM HEATING MEANS ADAPTED TO PROJECT A BEAM OF ELECTRONS THROUGH SAID EXIT AND ONTO SAID HEARTH, A CONDENSER POSITIONED ADJACENT SAID EXIT FOR CONDENSING METAL VAPORS, SAID EXIT BEING POSITIONED IN SAID ENCLOSURE OUT OF THE LINE OF SIGHT OF SAID HEARTH.
References Cited (Backward Citations)
US2942098A
Cited
US3277865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |