US3060123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of processing semiconductive materials
Assignee: AT&T Inc
•
Filing: 1952-12-17
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Granted: 1962-10-23
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Expires: 1972-12-17
Abstract
No abstract record available.
Inventors
- 👤 Henry C Theuerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
C; C30; C30B; C30B29/00; C30B29/02; C30B29/06; C30B13/00; C30B13/16; Y; Y10; Y10S; Y10S117/00; Y10S117/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE PROCESS OF SUCCESSIVELY ZONE-MELTING AND RESOLIDIFYING AN ELONGATED BODY OF FUSIBLE MATERIAL WHICH COMPRISES SUPPORTING SAID BODY AT BOTH ENDS IN A VERTICAL POSITION, APPLYING HEAT TO ESTABLISH A MOLTEN ZONE EXTENDING THROUGHOUT THE ENTIRE CROSS-SECTION OF THE BODY, THE LENGTH OF SAID MOLTEN ZONE BEING SUCH THAT THE MOLTEN MATERIAL IS PREVENTED FROM ESCAPING SOLELY BY VIRTUE OF COHESIVE AND ADHESIVE FORCES, AND DISPLACING SAID MOLTEN ZONE IN AN AXIAL DIRECTION ALONG SAID BODY.
Claim 2
Dependent Claim
76 words
THE PROCESS OF SUCCESSIVELY ZONE-MELTING AND RESOLIDIFYING AN ELONGATED BODY OF FUSIBLE MATERIAL WHICH COMPRISES SUPPORTING SAID BODY AT BOTH ENDS IN A VERTICAL POSITION, APPLYING HEAT TO ESTABLISH A MOLTEN ZONE EXTENDING THROUGHOUT THE ENTIRE CROSS-SECTION OF THE BODY, THE LENGTH OF SAID MOLTEN ZONE BEING SUCH THAT THE MOLTEN MATERIAL IS PREVENTED FROM ESCAPING SOLELY BY VIRTUE OF COHESIVE AND ADHESIVE FORCES, AND DISPLACING SAID MOLTEN ZONE IN AN AXIAL DIRECTION ALONG SAID BODY.
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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |