US2675310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consolidation of metal powder
Assignee: Westinghouse Electric Corp
•
Filing: 1949-06-23
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Granted: 1954-04-13
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Expires: 1969-06-23
Abstract
No abstract record available.
Inventors
- 👤 Roy D Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:57
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/1003; B22F3/1007; C; C22; C22C; C22C1/00; C22C1/04; C22C1/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF CONSOLIDATING METAL POWDER OF THE GROUP CONSISTING OF TUNGSTEN, MOLYBDENUM, TANTALUM, TITANIUM, AND ZIRCONIUM, COMPRISING PRESSING TO SHAPE THE POWDER, AND HEATING THE PRESSED SHAPE IN A FLOWING STREAM OF AN INERT GAS MIXED WITH MATTER OF THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE, TO A TEMPERATURE NOT HIGHER THAN 50% OF THAT OF FUSION OF THE METAL TO BE CONSOLIDATED, AS MEASURED IN DEGREES C., AT WHICH A REVERSIBLE REACTION BETWEEN SUCH MATERIALS OCCURS, WHEREBY SAID POWDER IS COALESCED TO A MASS APPROXIMATELY EQUIVALENT IN DENSITY AND STRUCTURE TO WHAT WOULD BE OBTAINED IF ACTUALLY MELTED AND CAST IN A MOLD.
Claim 2
Independent Claim
106 words
THE METHOD OF CONSOLIDATING METAL POWDER OF THE GROUP CONSISTING OF TUNGSTEN, MOLYBDENUM, TANTALUM, TITANIUM, AND ZIRCONIUM, COMPRISING PRESSING TO SHAPE THE POWDER, AND HEATING THE PRESSED SHAPE IN A FLOWING STREAM OF AN INERT GAS MIXED WITH MATTER OF THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE, TO A TEMPERATURE NOT HIGHER THAN 50% OF THAT OF FUSION OF THE METAL TO BE CONSOLIDATED, AS MEASURED IN DEGREES C., AT WHICH A REVERSIBLE REACTION BETWEEN SUCH MATERIALS OCCURS, WHEREBY SAID POWDER IS COALESCED TO A MASS APPROXIMATELY EQUIVALENT IN DENSITY AND STRUCTURE TO WHAT WOULD BE OBTAINED IF ACTUALLY MELTED AND CAST IN A MOLD.
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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) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |