US3235647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron bombardment heating with adjustable impact pattern
Assignee: Temescal Metallurgical Corp
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Filing: 1963-06-06
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Granted: 1966-02-15
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Expires: 1983-06-06
Abstract
No abstract record available.
Inventors
- 👤 Charles W Hanks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:55
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/30; H01J37/305; C; C22; C22B; C22B9/00; C22B9/04; C22B9/16; C22B9/22; C22B9/228
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
AN ELECTRON BEAM FURNACE FOR CONTROLLABLY HEATING THE SURFACE OF A TARGET MATERIAL DISPOSED THEREIN COMPRISING, AN ENCLOSURE, MEANS FOR EVACUATING SAID ENCLOSURE, AN ELECTRON GUN DISPOSED WITHIN SAID ENCLOSURE FOR GENERATING A HIGH INTENSITY BEAM OF ELECTRONS, MEANS FOR ESTABLISHING A UNITARY TRANSVERSE MAGNETIC FIELD IN THE PATH OF SAID BEAM OF ELECTRONS, SAID UNITARY MAGNETIC FIELD ESTABLISHING MEANS INCLUDING AT LEAST ONE POLE PIECE ON EACH SIDE OF SAID ELECTRON GUN AND LOW-RELUCTANCE YOKE INTERCONNECTING SAID POLE PIECES, AND MEANS FOR SELECTIVELY INDUCING A VARIABLE MAGNETIC FLUX IN SAID POLE PIECES SO AS TO PROVIDE MAGNETIC LINES OF FORCE OF CONTROLLABLE DIRECTION OF ORIENTATION EXTENDING BETWEEN SAID POLE PIECES FOR FOCUSING SAID BEAM OF ELECTRONS UPON THE SURFACE OF SAID TARGET MATERIAL.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |