US3112165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal fabrication
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1959-11-27
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Granted: 1963-11-26
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Davies Thomas James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:59
CPC Classifications
B; B22; B22F; B22F5/00; B22F5/10; B22F5/106; B22F2998/00; Y; Y10; Y10S; Y10S264/00; Y10S264/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A MOLD FOR PRODUCING NON-POROUS SINTERED TUBULAR BODIES FROM POWDERED MATERIALS, COMPRISING: AN OUTER MOLD; AND A TUBULAR YIELDABLE CORE MEANS DISPOSED WITHIN THE MOLD TO DEFINE AN ANNULAR SPACE THEREIWTH FOR THE POWDERED MATERIAL AND TO YIELD RADIALLY INWARDLY UNDER SHRINKING FORCES OCCURRING DURING THE SINTERING OPERATION WHILE PROVIDING SUPPORT TO THE MATERIAL THROUGHOUT THE OPERATION, SAID CORE MEANS BEING MADE OF METAL WHICH IS INDESTRUCITBLE AT SINTERING TEMPERATURES.
Claim 2
Dependent Claim
70 words
A MOLD FOR PRODUCING NON-POROUS SINTERED TUBULAR BODIES FROM POWDERED MATERIALS, COMPRISING: AN OUTER MOLD; AND A TUBULAR YIELDABLE CORE MEANS DISPOSED WITHIN THE MOLD TO DEFINE AN ANNULAR SPACE THEREIWTH FOR THE POWDERED MATERIAL AND TO YIELD RADIALLY INWARDLY UNDER SHRINKING FORCES OCCURRING DURING THE SINTERING OPERATION WHILE PROVIDING SUPPORT TO THE MATERIAL THROUGHOUT THE OPERATION, SAID CORE MEANS BEING MADE OF METAL WHICH IS INDESTRUCITBLE AT SINTERING TEMPERATURES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |