US3140108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and product of metallurgically joining zirconium to ferrous metal
Assignee: NIUCLEAR METALS INC A CORP OF MASS
•
Filing: 1960-07-28
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Granted: 1964-07-07
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Expires: 1980-07-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph Lester Klein
- 👤 Albert Rudolph Kaufmann
- 👤 Paul Loewenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:53
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22; B21C33/00; B21C33/004; Y; Y10; Y10T; Y10T403/00; Y10T403/47; Y10T403/472; Y10T403/49; Y10T403/4991; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF METALLURIGICALLY JOINING A METAL CONSTITUTED PREDOMINANTLY OF ZIRCONIUM TO A PREDOMINANTLY FERROUS METAL WHICH COMPRISES ARRAYING IN TANDEM A MASS OF SAID PREDOMINANTLY FERROUS METAL FOLLOWED BY A SUBSTANTIALLY CONTIGUOUSLY ABUTTING MASS OF SAIS PREDOMINANTLY ZIRCONIUM METAL BOTH WITHIN A SUBSTANTIALLYVACUUM-TIGHT MALLEABLE FERROUS METAL CON, AND, UPON ESTABLISHING AND WHILE MAINTAINING SUBSTANTIAL EVACUATION OF GAS FROM THE INTERIOR OF SAID CAN, HOT EXTRUDING SAID ENVELOPING CAN AND CONCOMITANTLY, IN AXIAL TANDEM, THE THEREIN CONTAINED SAID FERROUS MASS FOLLOWED BY SAID CONTIGUOUSLY ABUTTING PREDOMINANTLY-ZIRCONIUM MASS, SUCH ARRAYING AND EXTRUSION BEIG EFFECTED AFTER FIRST DE-
Claim 2
Independent Claim
96 words
A METHOD OF METALLURIGICALLY JOINING A METAL CONSTITUTED PREDOMINANTLY OF ZIRCONIUM TO A PREDOMINANTLY FERROUS METAL WHICH COMPRISES ARRAYING IN TANDEM A MASS OF SAID PREDOMINANTLY FERROUS METAL FOLLOWED BY A SUBSTANTIALLY CONTIGUOUSLY ABUTTING MASS OF SAIS PREDOMINANTLY ZIRCONIUM METAL BOTH WITHIN A SUBSTANTIALLYVACUUM-TIGHT MALLEABLE FERROUS METAL CON, AND, UPON ESTABLISHING AND WHILE MAINTAINING SUBSTANTIAL EVACUATION OF GAS FROM THE INTERIOR OF SAID CAN, HOT EXTRUDING SAID ENVELOPING CAN AND CONCOMITANTLY, IN AXIAL TANDEM, THE THEREIN CONTAINED SAID FERROUS MASS FOLLOWED BY SAID CONTIGUOUSLY ABUTTING PREDOMINANTLY-ZIRCONIUM MASS, SUCH ARRAYING AND EXTRUSION BEIG EFFECTED AFTER FIRST DE-
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |