US3202406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace apparatus and conveyor therefor
Assignee: Clevite Corp
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Filing: 1960-07-27
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Granted: 1965-08-24
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Expires: 1980-07-27
Abstract
No abstract record available.
Inventors
- 👤 William L Tack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:34
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/30; H10P72/33; H10P72/3311; F; F27; F27B; F27B5/00; F27B5/06; F27B5/12; F27B9/00; F27B9/06; F27B9/08; F27B9/30; F27B9/3077; F27B9/14; F27B9/20; F27B9/24; F27D; F27D3/00; F27D2003/0034; F27D2003/0039; F27D99/00; F27D2099/0085; F27D2099/0098
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
140 words
A LLOYING APPARATUS FOR SEMICONDUCTOR DEVICES COMPRISING: THERMAL INSULATING WALL MEANS ENCLOSING A FURNACE CHAMBER; AN ELONGATE ENCLOSED MEMBER OF NONMAGNETIC REFRACTORY MATERIAL EXTENDING THROUGH SAID CHAMBER AND ADAPTED TO SLIDABLY RECEIVE A PLURALITY OF SEMICONDUCTOR ALLOYING BOATS HAVIG AN OUTER CROSS-SECTIONAL CONFIGURATION SUBSTANTIALLY CONFORMING TO THE INNER CROSS-SECTIONAL CONFIGURATION OF SAID ENCLOSED MEMBER AND BEING SLIDABLY RECEIVABLE THEREIN; GUIDE ROD MEANS DISPOSED EXTERNALLY OF AND EXTENDING PARALLEL TO SAID ENCLOSED MEMBER; MAGNETIC FLUX-GENERATING MEANS MOUNTED FOR MOVEMENT ALONG SAID GUIDE ROD MEANS; AND AT LEAST A PAIR OF MAGNETIC BODIES, ADAPTED TO BE SLIDABLY RECEIVED WITHIN SAID ENCLOSED MEMBER AND TO BE DISPOSED THEREIN AT OPPOSITE ENDS OF A TRAIN OF THE ALLOYING BOATS; SAID MAGNETIC MEANS BEING OPERATIVE TO SELECTIVELY POSITION SAID ALLOYING BOATS IN OPPOSITE DIRECTIONS WITHIN SAID PASSAGE THROUGH SELECTIVE MAGNETIC ATTRACTION WITH SAID MAGNETIC BODIES.
Claim 2
Dependent Claim
140 words
A LLOYING APPARATUS FOR SEMICONDUCTOR DEVICES COMPRISING: THERMAL INSULATING WALL MEANS ENCLOSING A FURNACE CHAMBER; AN ELONGATE ENCLOSED MEMBER OF NONMAGNETIC REFRACTORY MATERIAL EXTENDING THROUGH SAID CHAMBER AND ADAPTED TO SLIDABLY RECEIVE A PLURALITY OF SEMICONDUCTOR ALLOYING BOATS HAVIG AN OUTER CROSS-SECTIONAL CONFIGURATION SUBSTANTIALLY CONFORMING TO THE INNER CROSS-SECTIONAL CONFIGURATION OF SAID ENCLOSED MEMBER AND BEING SLIDABLY RECEIVABLE THEREIN; GUIDE ROD MEANS DISPOSED EXTERNALLY OF AND EXTENDING PARALLEL TO SAID ENCLOSED MEMBER; MAGNETIC FLUX-GENERATING MEANS MOUNTED FOR MOVEMENT ALONG SAID GUIDE ROD MEANS; AND AT LEAST A PAIR OF MAGNETIC BODIES, ADAPTED TO BE SLIDABLY RECEIVED WITHIN SAID ENCLOSED MEMBER AND TO BE DISPOSED THEREIN AT OPPOSITE ENDS OF A TRAIN OF THE ALLOYING BOATS; SAID MAGNETIC MEANS BEING OPERATIVE TO SELECTIVELY POSITION SAID ALLOYING BOATS IN OPPOSITE DIRECTIONS WITHIN SAID PASSAGE THROUGH SELECTIVE MAGNETIC ATTRACTION WITH SAID MAGNETIC BODIES.
Claim 3
Dependent Claim
93 words
CONVEYOR APPARATUS COMPRISING: NON-MAGNETIC MEANS DEFINING AN ELONGATED PASSAGE FOR THE CONDUCTANCE OF A MASS TO BE CONVEYED; A PAIR OF PARTS OF MAGNETIC MATERIAL ADAPTED TO BE SLIDABLY RECEIVED WITHIN SAID PASSAGE ON OPPOSITE SIDES OF THE MASS IN NON-INTERCONNECTED RELATIONSHIP THEREWITH; GUIDE MEANS EXTENDING PARALLEL TO SAID PASSAGE EXTERIORLY THEREOF; AN ELECTROMAGNETI MOUNTED FOR TRANSLATORY MOVEMENT ALONG SAID GUIDE MEANS FOR SELECTIVELY POSITIONING SAID PARTS THEREWITH BY MAGNETIC ATTRACTION WHEREBY THE MASS MAY BE SELECTIVELY POSITIONED IN OPPOSITE DIRECTIONS IN SAID PASSAGE; AND MEANS FOR SELECTIVELY ENERGIZING AND DE-ENERGIZING SAID ELECTROMAGNET.
Claim 4
Dependent Claim
93 words
CONVEYOR APPARATUS COMPRISING: NON-MAGNETIC MEANS DEFINING AN ELONGATED PASSAGE FOR THE CONDUCTANCE OF A MASS TO BE CONVEYED; A PAIR OF PARTS OF MAGNETIC MATERIAL ADAPTED TO BE SLIDABLY RECEIVED WITHIN SAID PASSAGE ON OPPOSITE SIDES OF THE MASS IN NON-INTERCONNECTED RELATIONSHIP THEREWITH; GUIDE MEANS EXTENDING PARALLEL TO SAID PASSAGE EXTERIORLY THEREOF; AN ELECTROMAGNETI MOUNTED FOR TRANSLATORY MOVEMENT ALONG SAID GUIDE MEANS FOR SELECTIVELY POSITIONING SAID PARTS THEREWITH BY MAGNETIC ATTRACTION WHEREBY THE MASS MAY BE SELECTIVELY POSITIONED IN OPPOSITE DIRECTIONS IN SAID PASSAGE; AND MEANS FOR SELECTIVELY ENERGIZING AND DE-ENERGIZING SAID ELECTROMAGNET.
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |