US2931743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fusing metal body to another body
Assignee: Lanteris Space LLC
•
Filing: 1955-05-02
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Granted: 1960-04-05
•
Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Albert D Rittmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:23
CPC Classifications
C; C30; C30B; C30B31/00; C30B31/04; H; H10; H10P; H10P95/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
IN THE FUSION OF A METAL BODY WITH ANOTHER BODY INVOLVING APPLYING THE METAL BODY TO THE BASE WITH WHICH IT IS TO BE FUSED, HEATING THE ASSEMBLY TO EFFECT INTERFACIAL FUSION BETWEEN THE METAL BODY AND THE BASE, AND THEN COOLING THE ASSEMBLY, THE IMPROVEMENT WHICH COMPRISES, AFTER APPLYING THE METAL BODY TO THE BASE, AND PRIOR TO HEATING THE ASSEMBLY, APPLYING A FLOWABLE SUSPENSION OF FINELY-DIVIDED REFRACTORY MATERIAL OVER THE EXPOSED SURFACES OF THE APPLIED METAL BODY, BUT NOT BETWEEN THE APPLIED METAL BODY AND THE BASE, AND OVER AT LEAST THE IMMEDIATELY ADJACENT SURFACES OF THE BASE AND PERMITTING IT TO HARDEN IN SITU TO PROVIDE A RIGID, SOLID BODY OF REFRACTORY MATERIAL CONFORMING TO AND COMPLETELY COVERING THE EXPOSED SURFACES OF SAID METAL BODY AND ADHERING TO THE EXPOSED SURFACES OF SAID METAL BODY AND AT LEAST THE IMMEDIATELY ADJACENT SURFACES OF THE BASE WHEREBY, DURING THE HEATING OPERATION, THE SHAPE AND POSITION INITIALLY PROVIDED TO THE METAL BODY IS MAINTAINED BY SAID IN SITU-HARDENED REFRACTORY MATERIAL, SAID REFRACTORY MATERIAL BEING SOLID AND INERT TO SAID APPLIED METAL BODY DURING SAID HEATING OPERATION
Claim 2
Dependent Claim
187 words
IN THE FUSION OF A METAL BODY WITH ANOTHER BODY INVOLVING APPLYING THE METAL BODY TO THE BASE WITH WHICH IT IS TO BE FUSED, HEATING THE ASSEMBLY TO EFFECT INTERFACIAL FUSION BETWEEN THE METAL BODY AND THE BASE, AND THEN COOLING THE ASSEMBLY, THE IMPROVEMENT WHICH COMPRISES, AFTER APPLYING THE METAL BODY TO THE BASE, AND PRIOR TO HEATING THE ASSEMBLY, APPLYING A FLOWABLE SUSPENSION OF FINELY-DIVIDED REFRACTORY MATERIAL OVER THE EXPOSED SURFACES OF THE APPLIED METAL BODY, BUT NOT BETWEEN THE APPLIED METAL BODY AND THE BASE, AND OVER AT LEAST THE IMMEDIATELY ADJACENT SURFACES OF THE BASE AND PERMITTING IT TO HARDEN IN SITU TO PROVIDE A RIGID, SOLID BODY OF REFRACTORY MATERIAL CONFORMING TO AND COMPLETELY COVERING THE EXPOSED SURFACES OF SAID METAL BODY AND ADHERING TO THE EXPOSED SURFACES OF SAID METAL BODY AND AT LEAST THE IMMEDIATELY ADJACENT SURFACES OF THE BASE WHEREBY, DURING THE HEATING OPERATION, THE SHAPE AND POSITION INITIALLY PROVIDED TO THE METAL BODY IS MAINTAINED BY SAID IN SITU-HARDENED REFRACTORY MATERIAL, SAID REFRACTORY MATERIAL BEING SOLID AND INERT TO SAID APPLIED METAL BODY DURING SAID HEATING OPERATION
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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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |